diff --git a/src/main/java/com/simibubi/create/content/fluids/transfer/FluidDrainingBehaviour.java b/src/main/java/com/simibubi/create/content/fluids/transfer/FluidDrainingBehaviour.java
index 2767563ac..bb33a8c69 100644
--- a/src/main/java/com/simibubi/create/content/fluids/transfer/FluidDrainingBehaviour.java
+++ b/src/main/java/com/simibubi/create/content/fluids/transfer/FluidDrainingBehaviour.java
@@ -303,6 +303,7 @@ public class FluidDrainingBehaviour extends FluidManipulationBehaviour {
 
 		blockEntity.sendData();
 		visited.clear();
+		frontier.clear();
 	}
 
 	private void continueValidation() {