diff --git a/src/main/java/com/gregtechceu/gtceu/api/pattern/MultiblockState.java b/src/main/java/com/gregtechceu/gtceu/api/pattern/MultiblockState.java
index eca90ad7f7c..e310177a82a 100644
--- a/src/main/java/com/gregtechceu/gtceu/api/pattern/MultiblockState.java
+++ b/src/main/java/com/gregtechceu/gtceu/api/pattern/MultiblockState.java
@@ -172,6 +172,11 @@ public void onBlockStateChanged(BlockPos pos, BlockState state) {
                 }
             } else {
                 IMultiController controller = getController();
+                if (controller == null && error == UNLOAD_ERROR) {
+                    if (!serverLevel.isLoaded(controllerPos)) {
+                        GTCEu.LOGGER.info("Controller not loaded, pos {}", controllerPos);
+                    }
+                }
                 if (controller != null) {
                     if (controller.isFormed() && state.getBlock() instanceof ActiveBlock) {
                         LongSet activeBlocks = getMatchContext().getOrDefault("vaBlocks", LongSets.emptySet());
diff --git a/src/main/java/com/gregtechceu/gtceu/core/mixins/LevelMixin.java b/src/main/java/com/gregtechceu/gtceu/core/mixins/LevelMixin.java
index a29a022f803..d095baa8fa6 100644
--- a/src/main/java/com/gregtechceu/gtceu/core/mixins/LevelMixin.java
+++ b/src/main/java/com/gregtechceu/gtceu/core/mixins/LevelMixin.java
@@ -67,7 +67,7 @@ public abstract class LevelMixin implements LevelAccessor {
     @SuppressWarnings("ConstantValue")
     @Inject(method = "markAndNotifyBlock",
             at = @At(value = "INVOKE",
-                     target = "Lnet/minecraft/world/level/Level;blockUpdated(Lnet/minecraft/core/BlockPos;Lnet/minecraft/world/level/block/Block;)V",
+                     target = "Lnet/minecraft/world/level/Level;setBlocksDirty(Lnet/minecraft/core/BlockPos;Lnet/minecraft/world/level/block/state/BlockState;Lnet/minecraft/world/level/block/state/BlockState;)V",
                      remap = true),
             remap = false)
     private void gtceu$updateChunkMultiblocks(BlockPos pos, LevelChunk chunk,