diff --git a/src/main/java/org/cyclops/integratedtunnels/core/FluidHandlerBlock.java b/src/main/java/org/cyclops/integratedtunnels/core/FluidHandlerBlock.java
index 459262d9..3b14de2d 100644
--- a/src/main/java/org/cyclops/integratedtunnels/core/FluidHandlerBlock.java
+++ b/src/main/java/org/cyclops/integratedtunnels/core/FluidHandlerBlock.java
@@ -62,6 +62,9 @@ public boolean isFluidValid(int tank, @Nonnull FluidStack stack) {
     public int fill(FluidStack resource, FluidAction action) {
         Fluid fluid = resource.getFluid();
         BlockState block = fluid.getFluidType().getBlockForFluidState(world, blockPos, fluid.defaultFluidState());
+        if (block.isAir()) {
+            return 0;
+        }
         return new BlockWrapper(block, world, blockPos).fill(resource, action);
     }