diff --git a/FS25_ADSmartPickup/adChainModel.lua b/FS25_ADSmartPickup/adChainModel.lua
index 44bdb83..0342000 100644
--- a/FS25_ADSmartPickup/adChainModel.lua
+++ b/FS25_ADSmartPickup/adChainModel.lua
@@ -106,6 +106,9 @@ function ADChainModel.build(recipes, husbandry, crops)
                 problem("bottleneck", name, rootKey, rest)
                 node.shortPerMonth = rest
             end
+            if rest > 1e-9 and #node.producers == 0 then
+                node.source = nil
+            end
         end
         -- b) stalde
         if rest > 1e-9 and #node.producers == 0 and herds[name] ~= nil then
@@ -125,8 +128,12 @@ function ADChainModel.build(recipes, husbandry, crops)
             chain.fieldDemand[node.fruit] = (chain.fieldDemand[node.fruit] or 0) + rest
             rest = 0
         end
-        -- d) ingen kilde (eller rest efter stald)
-        if rest > 1e-9 and (node.source == nil or node.source == "husbandry") then
+        -- d) ingen kilde (eller rest efter stald), eller exhausted producers
+        if rest > 1e-9 and makers ~= nil and #node.producers == 0 and #node.herds == 0 then
+            node.source = "production"
+            node.shortPerMonth = rest
+            problem("bottleneck", name, rootKey, rest)
+        elseif rest > 1e-9 and (node.source == nil or node.source == "husbandry") then
             if node.source == nil then node.source = "buy" end
             node.shortPerMonth = rest
             problem("buy", name, rootKey, rest)