diff --git a/FS25_ADSmartPickup/adBuildings.lua b/FS25_ADSmartPickup/adBuildings.lua
index f7aada6..2cc741f 100644
--- a/FS25_ADSmartPickup/adBuildings.lua
+++ b/FS25_ADSmartPickup/adBuildings.lua
@@ -460,6 +460,11 @@ function ADBuildings.list(adEnv, farmId)
         return cache.list
     end
     cache.list, cache.farmId, cache.time = build(adEnv, farmId), farmId, time
+    -- nye bygninger uden eget navn navngives (tilføjes navnefilen; eksisterende navne røres ikke)
+    if ADNames ~= nil and ADNames.autoName ~= nil then
+        local ok, err = pcall(ADNames.autoName, adEnv, cache.list)
+        if not ok then Logging.warning("ADSmartPickup: automatiske bygningsnavne fejlede: %s", tostring(err)) end
+    end
     return cache.list
 end
 
diff --git a/FS25_ADSmartPickup/adNames.lua b/FS25_ADSmartPickup/adNames.lua
index a5856da..f7f221a 100644
--- a/FS25_ADSmartPickup/adNames.lua
+++ b/FS25_ADSmartPickup/adNames.lua
@@ -1,7 +1,7 @@
 -- AD Names
 -- Egne bygningsnavne (FS25 kan ikke omdøbe bygninger): ADSmartPickup_names.xml i savegame-mappen,
 -- <ADSmartPickupNames><building id="placeable…" name="Gårdsilo 10"/></ADSmartPickupNames>.
--- Moden læser filen og skriver den aldrig — spillerens/Claudes navne overlever. Bruges af alle navneopslag.
+-- Moden tilføjer kun navne (nye bygninger / Omdøb-knappen) og ændrer aldrig et eksisterende navn af sig selv.
 
 ADNames = {}
 ADNames.FILE_NAME = "ADSmartPickup_names.xml"
@@ -18,12 +18,16 @@ function ADNames.fromRecords(records)
     return byId
 end
 
+local function getPath()
+    local path = ADRunsStorage ~= nil and ADRunsStorage.getPath() or nil
+    if path == nil then return nil end
+    return (path:gsub(ADRunsStorage.FILE_NAME .. "$", ADNames.FILE_NAME))
+end
+
 function ADNames.load()
     ADNames.byId = {}
-    local path = ADRunsStorage ~= nil and ADRunsStorage.getPath() or nil
-    if path == nil then return end
-    path = path:gsub(ADRunsStorage.FILE_NAME .. "$", ADNames.FILE_NAME)
-    if not fileExists(path) then return end
+    local path = getPath()
+    if path == nil or not fileExists(path) then return end
     local xmlFile = XMLFile.load("ADSmartPickupNames", path)
     if xmlFile == nil then return end
     local records = {}
@@ -43,3 +47,122 @@ function ADNames.forPlaceable(placeable)
     if ADNames.byId == nil then pcall(ADNames.load) end
     return (ADNames.byId or {})[tostring(placeable.uniqueId)]
 end
+
+function ADNames.save()
+    local path = getPath()
+    if path == nil then return false end
+    local xmlFile = XMLFile.create("ADSmartPickupNames", path, ADNames.ROOT)
+    if xmlFile == nil then return false end
+    local ids = {}
+    for id in pairs(ADNames.byId or {}) do table.insert(ids, id) end
+    table.sort(ids)
+    for index, id in ipairs(ids) do
+        local key = string.format("%s.building(%d)", ADNames.ROOT, index - 1)
+        xmlFile:setString(key .. "#id", id)
+        xmlFile:setString(key .. "#name", ADNames.byId[id])
+    end
+    xmlFile:save()
+    xmlFile:delete()
+    return true
+end
+
+-- Omdøb (knappen i bygningsfanerne): gemmes straks; tomt navn = tilbage til butiksnavnet.
+function ADNames.set(id, name)
+    if ADNames.byId == nil then pcall(ADNames.load) end
+    local trimmed = type(name) == "string" and name:match("^%s*(.-)%s*$") or ""
+    ADNames.byId[id] = trimmed ~= "" and trimmed or nil
+    pcall(ADNames.save)
+    Logging.info("ADSmartPickup: bygning %s omdøbt til '%s'", tostring(id), trimmed)
+    if ADBuildings ~= nil and ADBuildings.invalidate ~= nil then ADBuildings.invalidate() end
+end
+
+local function position(placeable)
+    local node = placeable ~= nil and placeable.rootNode or nil
+    if node == nil then return nil end
+    local x, _, z = getWorldTranslation(node)
+    return x, z
+end
+
+local function animalTypeName(placeable)
+    local ok, name = pcall(function()
+        local index = placeable:getAnimalTypeIndex()
+        local animalType = g_currentMission.animalSystem:getTypeByIndex(index)
+        return animalType ~= nil and animalType.name or nil
+    end)
+    return ok and name or nil
+end
+
+local function rawName(placeable)
+    local ok, name = pcall(placeable.getName, placeable)
+    return ok and name ~= nil and tostring(name) or nil
+end
+
+-- Mark-markører ("F118") fra AutoDrive: {{name, x, z}}
+local function fieldMarkers(adEnv)
+    local result = {}
+    for _, marker in pairs(adEnv.ADGraphManager:getMapMarkers()) do
+        if tostring(marker.name):match("^F%d+$") then
+            local wayPoint = adEnv.ADGraphManager:getWayPointById(marker.id)
+            if wayPoint ~= nil then table.insert(result, {name = marker.name, x = wayPoint.x, z = wayPoint.z}) end
+        end
+    end
+    return result
+end
+
+-- Nye bygninger (uden navn) får et navn efter ADNaming; kaldes når bygningslisten bygges. Retter navnene i
+-- listen med det samme og gemmer filen, hvis der kom nye.
+function ADNames.autoName(adEnv, buildings)
+    if ADNames.byId == nil then pcall(ADNames.load) end
+    local existing = ADNames.byId or {}
+    local missing = false
+    for _, building in ipairs(buildings) do if existing[building.id] == nil and building.kind ~= "sell" then missing = true break end end
+    if not missing then return end
+    -- gårdens klynge: valgte gårdlagre i marksilo-flowet + siloer der allerede hedder "Gårdsilo …", og naboer ≤ 60 m
+    local silos, farm, queue = {}, {}, {}
+    for _, building in ipairs(buildings) do
+        if building.kind == "silo" then
+            local x, z = position(building.placeable)
+            if x ~= nil then
+                local silo = {id = building.id, x = x, z = z}
+                table.insert(silos, silo)
+                local isStore = ADFieldSilos ~= nil and ADFieldSiloConfig ~= nil and ADFieldSiloConfig.hasStore(ADFieldSilos.config, building.id)
+                if isStore or tostring(existing[building.id] or ""):match("^Gårdsilo") then farm[building.id] = true; table.insert(queue, silo) end
+            end
+        end
+    end
+    while #queue > 0 do
+        local current = table.remove(queue)
+        for _, silo in ipairs(silos) do
+            if not farm[silo.id] and (silo.x - current.x) ^ 2 + (silo.z - current.z) ^ 2 <= 3600 then farm[silo.id] = true; table.insert(queue, silo) end
+        end
+    end
+    local fields = fieldMarkers(adEnv)
+    local inputs = {}
+    for _, building in ipairs(buildings) do
+        if existing[building.id] == nil then
+            local x, z = position(building.placeable)
+            local nearest = nil
+            if x ~= nil and building.kind == "silo" then
+                for _, field in ipairs(fields) do
+                    local distance = math.sqrt((field.x - x) ^ 2 + (field.z - z) ^ 2)
+                    if nearest == nil or distance < nearest.distance then nearest = {name = field.name, distance = distance} end
+                end
+            end
+            table.insert(inputs, {id = building.id, kind = building.kind, animal = building.kind == "husbandry" and animalTypeName(building.placeable) or nil,
+                storeName = rawName(building.placeable), inFarmCluster = farm[building.id] == true, nearestField = nearest})
+        end
+    end
+    local added = ADNaming.assign(inputs, existing)
+    local count = 0
+    for id, name in pairs(added) do
+        existing[id] = name
+        count = count + 1
+        Logging.info("ADSmartPickup: ny bygning navngivet '%s' (%s)", name, id)
+    end
+    if count == 0 then return end
+    ADNames.byId = existing
+    for _, building in ipairs(buildings) do
+        if added[building.id] ~= nil then building.name = added[building.id] end
+    end
+    pcall(ADNames.save)
+end
diff --git a/FS25_ADSmartPickup/adNaming.lua b/FS25_ADSmartPickup/adNaming.lua
new file mode 100644
index 0000000..5fe2766
--- /dev/null
+++ b/FS25_ADSmartPickup/adNaming.lua
@@ -0,0 +1,71 @@
+-- AD Naming
+-- Regler for automatiske navne på bygninger uden eget navn (rene funktioner; spil-delen samler input i adNames).
+-- Stalde efter dyretype, siloer efter gårdens klynge/nærmeste mark, palleskure nummereret, fabrikker efter
+-- butiksnavnet. Numrene fortsætter fra de navne, der allerede findes ("Svinestald 1-5" -> "Svinestald 6").
+
+ADNaming = {}
+
+ADNaming.ANIMAL_PREFIX = {COW = "Kostald", PIG = "Svinestald", SHEEP = "Fårestald", GOAT = "Gedestald",
+    CHICKEN = "Hønsehus", HORSE = "Hestestald"}
+ADNaming.FIELD_SILO_DISTANCE = 200
+
+local function escape(text) return (tostring(text):gsub("[%^%$%(%)%%%.%[%]%*%+%-%?]", "%%%0")) end
+
+-- Højeste "prefix N" blandt navnene + 1.
+function ADNaming.nextNumber(names, prefix)
+    local highest, pattern = 0, "^" .. escape(prefix) .. " (%d+)$"
+    for _, name in ipairs(names) do
+        local number = tonumber(tostring(name):match(pattern))
+        if number ~= nil and number > highest then highest = number end
+    end
+    return highest + 1
+end
+
+local function contains(names, wanted)
+    for _, name in ipairs(names) do if name == wanted then return true end end
+    return false
+end
+
+-- Et fast navn der kan være brugt: "X", ellers "X 2", "X 3" ...
+local function uniqueFixed(names, base)
+    if not contains(names, base) then return base end
+    return string.format("%s %d", base, math.max(2, ADNaming.nextNumber(names, base)))
+end
+
+-- Navn for én bygning (nil = navngives ikke, fx salgssteder).
+-- b = {kind, animal, storeName, inFarmCluster, nearestField = {name, distance}}
+local function nameFor(b, names)
+    if b.kind == "husbandry" then
+        local prefix = ADNaming.ANIMAL_PREFIX[tostring(b.animal or ""):upper()] or "Stald"
+        return string.format("%s %d", prefix, ADNaming.nextNumber(names, prefix))
+    elseif b.kind == "silo" then
+        if b.inFarmCluster then return string.format("Gårdsilo %d", ADNaming.nextNumber(names, "Gårdsilo")) end
+        local field = b.nearestField
+        if field ~= nil and field.name ~= nil and (field.distance or math.huge) <= ADNaming.FIELD_SILO_DISTANCE then
+            return uniqueFixed(names, field.name .. " marksilo")
+        end
+        return string.format("Silo %d", ADNaming.nextNumber(names, "Silo"))
+    elseif b.kind == "objectStorage" then
+        return string.format("Palleskur %d", ADNaming.nextNumber(names, "Palleskur"))
+    elseif b.kind == "sell" then
+        return nil
+    end
+    if b.storeName == nil or b.storeName == "" then return nil end
+    return uniqueFixed(names, b.storeName)
+end
+
+-- Navne til bygninger der ikke har et endnu. existing = {[id] = navn}; returnerer kun de nye {[id] = navn}.
+function ADNaming.assign(buildings, existing)
+    local names, result = {}, {}
+    for _, name in pairs(existing or {}) do table.insert(names, name) end
+    for _, b in ipairs(buildings or {}) do
+        if b.id ~= nil and (existing or {})[b.id] == nil then
+            local name = nameFor(b, names)
+            if name ~= nil then
+                result[b.id] = name
+                table.insert(names, name)
+            end
+        end
+    end
+    return result
+end
diff --git a/FS25_ADSmartPickup/gui/SmartPickupFrame.lua b/FS25_ADSmartPickup/gui/SmartPickupFrame.lua
index 7dec211..3ddfd64 100644
--- a/FS25_ADSmartPickup/gui/SmartPickupFrame.lua
+++ b/FS25_ADSmartPickup/gui/SmartPickupFrame.lua
@@ -54,6 +54,9 @@ function SmartPickupFrame.new(i18n, getAdEnv)
     self.startAllButtonInfo = {inputAction = InputAction.MENU_ACTIVATE, text = i18n:getText("spu_button_startAll"), callback = function() self:onClickStartAll() end}
     self.stopAllButtonInfo = {inputAction = InputAction.MENU_EXTRA_2, text = i18n:getText("spu_button_stopAll"), callback = function() self:onClickStopAll() end}
     self.monthButtons = {self.backButtonInfo}
+    -- bygningsfanerne (Siloer/Stalde/Fabrikker/Palleskure): omdøb den valgte bygning
+    self.renameBuildingButtonInfo = {inputAction = InputAction.MENU_EXTRA_2, text = i18n:getText("spu_button_renameBuilding"), callback = function() self:onClickRenameBuilding() end}
+    self.storageButtons = {self.backButtonInfo, self.renameBuildingButtonInfo}
     self.flowButtons = {self.backButtonInfo, self.startButtonInfo, self.newButtonInfo, self.renameButtonInfo, self.deleteButtonInfo}
     self.overviewButtons = {self.backButtonInfo, self.startAllButtonInfo, self.stopAllButtonInfo, self.newButtonInfo}
     -- Marker: Start nu / Stop for den valgte mark
@@ -569,6 +572,9 @@ function SmartPickupFrame:refreshButtons()
         wanted = self:getFieldButtons()
     elseif self.currentTab == SmartPickupFrame.TAB_MONTH or self.currentTab == SmartPickupFrame.TAB_FIELDSILOS then
         wanted = self.monthButtons
+    elseif SmartPickupFrame.getTabKind(self.currentTab) ~= nil then
+        wanted = self.storageButtons
+        self.renameBuildingButtonInfo.disabled = self.storageDetailPlaceable == nil
     end
     if self.menuButtonInfo ~= wanted then
         self.menuButtonInfo = wanted
@@ -816,6 +822,26 @@ function SmartPickupFrame:onClickNew()
     self:onClickFlowNew()
 end
 
+-- Omdøb den valgte bygning i en bygningsfane (gemmes i ADSmartPickup_names.xml; tomt = butiksnavnet igen)
+function SmartPickupFrame:onClickRenameBuilding()
+    self:safe(function(frame)
+        local placeable = frame.storageDetailPlaceable
+        if placeable == nil then return end
+        frame.renamingBuildingId = ADBuildings.getId(placeable)
+        local current = ADNames.forPlaceable(placeable) or (placeable.getName ~= nil and placeable:getName()) or ""
+        TextInputDialog.show(SmartPickupFrame.onRenameBuildingResult, frame, tostring(current), frame.i18n:getText("spu_renameBuildingTitle"), nil, 40, g_i18n:getText("button_ok"))
+    end)
+end
+
+function SmartPickupFrame:onRenameBuildingResult(value, clickOk)
+    self:safe(function(frame)
+        if not clickOk or frame.renamingBuildingId == nil then return end
+        ADNames.set(frame.renamingBuildingId, value)
+        frame.renamingBuildingId = nil
+        frame:requestRebuild()
+    end)
+end
+
 function SmartPickupFrame:onClickRename()
     -- Dialogen kan kaste (fx manglende i18n-nøgle) — fang det som resten af GUI'et, i stedet
     -- for at lade fejlen undslippe klik-callbacken uden statuslinje-besked.
diff --git a/FS25_ADSmartPickup/l10n/l10n_da.xml b/FS25_ADSmartPickup/l10n/l10n_da.xml
index a0c3dee..9d4c41d 100644
--- a/FS25_ADSmartPickup/l10n/l10n_da.xml
+++ b/FS25_ADSmartPickup/l10n/l10n_da.xml
@@ -216,6 +216,8 @@
         <text name="spu_button_start" text="Start flow"/>
         <text name="spu_button_stop" text="Stop flow"/>
         <text name="spu_button_new" text="Nyt flow"/>
+        <text name="spu_button_renameBuilding" text="Omdøb bygning"/>
+        <text name="spu_renameBuildingTitle" text="Nyt navn på bygningen (tomt = butiksnavnet)"/>
         <text name="spu_button_rename" text="Omdøb"/>
         <text name="spu_button_delete" text="Slet flow"/>
         <text name="spu_newRunName" text="Flow %d"/>
diff --git a/FS25_ADSmartPickup/l10n/l10n_en.xml b/FS25_ADSmartPickup/l10n/l10n_en.xml
index bef7fcb..919a3e9 100644
--- a/FS25_ADSmartPickup/l10n/l10n_en.xml
+++ b/FS25_ADSmartPickup/l10n/l10n_en.xml
@@ -216,6 +216,8 @@
         <text name="spu_button_start" text="Start flow"/>
         <text name="spu_button_stop" text="Stop flow"/>
         <text name="spu_button_new" text="New flow"/>
+        <text name="spu_button_renameBuilding" text="Rename building"/>
+        <text name="spu_renameBuildingTitle" text="New name for the building (empty = shop name)"/>
         <text name="spu_button_rename" text="Rename"/>
         <text name="spu_button_delete" text="Delete flow"/>
         <text name="spu_newRunName" text="Flow %d"/>
diff --git a/FS25_ADSmartPickup/modDesc.xml b/FS25_ADSmartPickup/modDesc.xml
index 003c6f5..09a353e 100644
--- a/FS25_ADSmartPickup/modDesc.xml
+++ b/FS25_ADSmartPickup/modDesc.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8" standalone="no"?>
 <modDesc descVersion="107">
     <author>masterdraco</author>
-    <version>1.39.0.0</version>
+    <version>1.40.0.0</version>
     <title>
         <en>AD Smart Pickup</en>
     </title>
@@ -13,6 +13,7 @@
     <l10n filenamePrefix="l10n/l10n"/>
     <extraSourceFiles>
         <sourceFile filename="adCache.lua"/>
+        <sourceFile filename="adNaming.lua"/>
         <sourceFile filename="adNames.lua"/>
         <sourceFile filename="adStuckDiag.lua"/>
         <sourceFile filename="adSupplyPlanner.lua"/>
diff --git a/tests/test_adNaming.lua b/tests/test_adNaming.lua
new file mode 100644
index 0000000..4dc105a
--- /dev/null
+++ b/tests/test_adNaming.lua
@@ -0,0 +1,38 @@
+-- Kør: luajit tests/test_adNaming.lua   (fra repo-roden)
+-- Automatiske navne på bygninger uden eget navn (in-game 27/9: "36 Farma" hed alle "Farma 500 + Obi 1000").
+dofile("FS25_ADSmartPickup/adNaming.lua")
+local N = ADNaming
+local failures = 0
+local function check(name, actual, expected)
+    if actual == expected then print("OK   " .. name) else
+        failures = failures + 1
+        print(string.format("FAIL %s: forventede %s, fik %s", name, tostring(expected), tostring(actual)))
+    end
+end
+
+-- næste ledige nummer
+check("næste efter 1-5", N.nextNumber({"Svinestald 1", "Svinestald 5", "Kostald 7"}, "Svinestald"), 6)
+check("ingen endnu -> 1", N.nextNumber({"Kostald 1"}, "Svinestald"), 1)
+check("prefix-præfiks forveksles ikke", N.nextNumber({"Gårdsilo ekstra ved 1", "Gårdsilo 3"}, "Gårdsilo"), 4)
+
+-- navne efter type
+local function one(b, existing) return N.assign({b}, existing or {})[b.id] end
+check("svinestald", one({id = "a", kind = "husbandry", animal = "PIG"}, {x = "Svinestald 5"}), "Svinestald 6")
+check("gedestald", one({id = "a", kind = "husbandry", animal = "GOAT"}), "Gedestald 1")
+check("ukendt dyr -> Stald", one({id = "a", kind = "husbandry", animal = "LLAMA"}), "Stald 1")
+check("silo i gårdens klynge", one({id = "a", kind = "silo", inFarmCluster = true}, {x = "Gårdsilo 35"}), "Gårdsilo 36")
+check("silo ved mark", one({id = "a", kind = "silo", nearestField = {name = "F118", distance = 80}}), "F118 marksilo")
+check("anden marksilo ved samme mark", one({id = "a", kind = "silo", nearestField = {name = "F118", distance = 80}}, {x = "F118 marksilo"}), "F118 marksilo 2")
+check("silo langt fra alt", one({id = "a", kind = "silo", nearestField = {name = "F1", distance = 900}}), "Silo 1")
+check("palleskur", one({id = "a", kind = "objectStorage"}, {x = "Palleskur 1"}), "Palleskur 2")
+check("fabrik: butiksnavnet", one({id = "a", kind = "factory", storeName = "Sugarbeet Crusher"}), "Sugarbeet Crusher")
+check("fabrik nr. 2 med samme navn", one({id = "a", kind = "factory", storeName = "Roesnitter"}, {x = "Roesnitter"}), "Roesnitter 2")
+check("salgssted navngives ikke", one({id = "a", kind = "sell", storeName = "Mølle"}), nil)
+check("har allerede navn -> urørt", N.assign({{id = "a", kind = "husbandry", animal = "PIG"}}, {a = "Min stald"}).a, nil)
+
+-- flere nye i samme runde får hver sit nummer
+local two = N.assign({{id = "a", kind = "husbandry", animal = "COW"}, {id = "b", kind = "husbandry", animal = "COW"}}, {})
+check("to nye kostalde: 1 og 2", (two.a or "") .. "|" .. (two.b or ""), "Kostald 1|Kostald 2")
+
+print(failures == 0 and "\nALLE TESTS OK" or ("\n" .. failures .. " FEJL"))
+os.exit(failures == 0 and 0 or 1)