diff --git a/src/main/java/block/event/separator/mixin/client/LevelMixin.java b/src/main/java/block/event/separator/mixin/client/LevelMixin.java
index b31f5e5..6434b2c 100644
--- a/src/main/java/block/event/separator/mixin/client/LevelMixin.java
+++ b/src/main/java/block/event/separator/mixin/client/LevelMixin.java
@@ -51,6 +51,9 @@ public void tickMovingBlocks_bes() {
 			TickingBlockEntity ticker = blockEntityTickers.get(i);
 
 			BlockPos pos = ticker.getPos();
+			if (pos == null) {
+				continue;
+			}
 			long l = ChunkPos.asLong(pos);
 
 			if (!shouldTickBlocksAt(l)) {