diff --git a/src/main/java/appeng/fluids/parts/FluidHandlerAdapter.java b/src/main/java/appeng/fluids/parts/FluidHandlerAdapter.java
index 689856b53..8756fe3fe 100644
--- a/src/main/java/appeng/fluids/parts/FluidHandlerAdapter.java
+++ b/src/main/java/appeng/fluids/parts/FluidHandlerAdapter.java
@@ -251,6 +251,7 @@ public class FluidHandlerAdapter implements IMEInventory<IAEFluidStack>, IBaseMo
 				}
 
 				this.cachedAeStacks = Arrays.copyOf( this.cachedAeStacks, slots );
+				this.skipSlots = new ArrayList<>( this.fluidHandler.getTankProperties().length );
 			}
 			return changes;
 		}