diff --git a/src/main/java/com/kipti/bnb/content/kinetics/cogwheel_chain/behaviour/CogwheelChainBehaviour.java b/src/main/java/com/kipti/bnb/content/kinetics/cogwheel_chain/behaviour/CogwheelChainBehaviour.java
index 8080493a..610a504f 100644
--- a/src/main/java/com/kipti/bnb/content/kinetics/cogwheel_chain/behaviour/CogwheelChainBehaviour.java
+++ b/src/main/java/com/kipti/bnb/content/kinetics/cogwheel_chain/behaviour/CogwheelChainBehaviour.java
@@ -159,9 +159,10 @@ private boolean tryTransferOnRemoval() {
         if (controllerBehaviour == null) return false;
 
         final BlockState replacingState = this.getLevel().getBlockState(this.getPos());
-        final PathedCogwheelNode thisNode = controllerBehaviour.getControlledChain().getNodeFromControllerOffset(
+        // getControlledChain() may return null. pucgenie: idk why exactly, but it really happens in skies2 aero 1.6.0 https://mclo.gs/Oce6yL8
+        final PathedCogwheelNode thisNode = java.util.Optional.ofNullable(controllerBehaviour.getControlledChain()).map(controlledChain -> controlledChain.getNodeFromControllerOffset(
                 this.controllerOffset == null ? Vec3i.ZERO : this.controllerOffset
-        );
+        )).orElse(null);
         final CogwheelChainCandidate replacingCandidate = CogwheelChainCandidate.getForBlock(replacingState);
         if (replacingCandidate == null || thisNode == null ||
                 !replacingCandidate.isConsistentWithNode(thisNode) ||