diff --git a/machines/canning_machine.lua b/machines/canning_machine.lua
index 54cefe9..2ec26d3 100644
--- a/machines/canning_machine.lua
+++ b/machines/canning_machine.lua
@@ -99,7 +99,7 @@ function industrialtest.CanningMachine.getFormspec(self,pos)
 	return parentFormspec..table.concat(formspec,"")
 end
 
-function industrialtest.CanningMachine.allowMetadataInventoryMove(self,pos,fromList,fromIndex,toList,count)
+function industrialtest.CanningMachine.allowMetadataInventoryMove(self,pos,fromList,fromIndex,toList,toIndex,count)
 	if toList=="src" then
 		local inv=minetest.get_meta(pos):get_inventory()
 		local itemstack=inv:get_stack(fromList,fromIndex)
@@ -112,10 +112,13 @@ function industrialtest.CanningMachine.allowMetadataInventoryMove(self,pos,fromL
 		local def=itemstack:get_definition()
 		return (def.groups and def.groups._industrialtest_fueled) and count or 0
 	end
-	return math.min(count,industrialtest.ActivatedElectricMachine.allowMetadataInventoryMove(self,pos,fromList,fromIndex,toList,count))
+	if toList=="leftover" then
+		return 0
+	end
+	return math.min(count,industrialtest.ActivatedElectricMachine.allowMetadataInventoryMove(self,pos,fromList,fromIndex,toList,toIndex,count))
 end
 
-function industrialtest.CanningMachine.allowMetadataInventoryPut(self,pos,listname,index,stack)
+function industrialtest.CanningMachine.allowMetadataInventoryPut(self,pos,listname,index,stack,player)
 	if listname=="src" then
 		local def=stack:get_definition()
 		return (def.groups and def.groups._industrialtest_fuel) and stack:get_count() or 0
@@ -124,10 +127,13 @@ function industrialtest.CanningMachine.allowMetadataInventoryPut(self,pos,listna
 		local def=stack:get_definition()
 		return (def.groups and def.groups._industrialtest_fueled) and stack:get_count() or 0
 	end
-	return math.min(stack:get_count(),industrialtest.ActivatedElectricMachine.allowMetadataInventoryPut(self,pos,listname,index,stack))
+	if listname=="leftover" then
+		return 0
+	end
+	return math.min(stack:get_count(),industrialtest.ActivatedElectricMachine.allowMetadataInventoryPut(self,pos,listname,index,stack,player))
 end
 
-function industrialtest.CanningMachine.allowMetadataInventoryTake(self,pos,listname,index,stack)
+function industrialtest.CanningMachine.allowMetadataInventoryTake(self,pos,listname,index,stack,player)
 	local meta=minetest.get_meta(pos)
 	local inv=meta:get_inventory()
 	local fuelSlot=inv:get_stack("src",1)
@@ -136,7 +142,7 @@ function industrialtest.CanningMachine.allowMetadataInventoryTake(self,pos,listn
 		meta:set_float("srcTime",0)
 		minetest.get_node_timer(pos):start(industrialtest.updateDelay)
 	end
-	return industrialtest.ActivatedElectricMachine.allowMetadataInventoryTake(self,pos,listname,index,stack)
+	return industrialtest.ActivatedElectricMachine.allowMetadataInventoryTake(self,pos,listname,index,stack,player)
 end
 
 function industrialtest.CanningMachine.onMetadataInventoryMove(self,pos,fromList,fromIndex,toList,toIndex,count)
@@ -151,7 +157,7 @@ function industrialtest.CanningMachine.onMetadataInventoryMove(self,pos,fromList
 	end
 end
 
-function industrialtest.CanningMachine.onMetadataInventoryPut(self,pos)
+function industrialtest.CanningMachine.onMetadataInventoryPut(self,pos,listname,index,stack)
 	minetest.get_node_timer(pos):start(industrialtest.updateDelay)
 	industrialtest.ActivatedElectricMachine.onMetadataInventoryPut(self,pos,listname,index,stack)
 end