diff --git a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/util/StackListFluid.java b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/util/StackListFluid.java
index f5d8e4f23..ddd5bc9a9 100755
--- a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/util/StackListFluid.java
+++ b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/util/StackListFluid.java
@@ -21,7 +21,11 @@ public class StackListFluid implements IStackList<FluidStack> {
         
         for (FluidStack otherStack : stacks.get(stack.getFluid())) {
             if (stack.isFluidEqual(otherStack)) {
-                otherStack.amount += size;
+                if ((long) otherStack.amount + (long) size > Integer.MAX_VALUE) {
+                    otherStack.amount = Integer.MAX_VALUE;
+                } else {
+                    otherStack.amount += size;
+                }
 
                 return;
             }