diff --git a/common/net/minecraftforge/fluids/ItemFluidContainer.java b/common/net/minecraftforge/fluids/ItemFluidContainer.java
index e42703aa40..be615d3a10 100644
--- a/common/net/minecraftforge/fluids/ItemFluidContainer.java
+++ b/common/net/minecraftforge/fluids/ItemFluidContainer.java
@@ -106,7 +106,7 @@ public class ItemFluidContainer extends Item implements IFluidContainerItem
             return 0;
         }
 
-        int filled = capacity - resource.amount;
+        int filled = capacity - stack.amount;
         if (resource.amount < filled)
         {
             stack.amount += resource.amount;