diff --git a/src/main/java/com/thebrokenrail/energonrelics/block/structure/StructureGeneratorBlock.java b/src/main/java/com/thebrokenrail/energonrelics/block/structure/StructureGeneratorBlock.java
index 4be1b72..e148a93 100644
--- a/src/main/java/com/thebrokenrail/energonrelics/block/structure/StructureGeneratorBlock.java
+++ b/src/main/java/com/thebrokenrail/energonrelics/block/structure/StructureGeneratorBlock.java
@@ -100,7 +100,9 @@ public class StructureGeneratorBlock extends SimpleBlockWithEntity {
     @Override
     public void onBlockAdded(BlockState state, World world, BlockPos pos, BlockState oldState, boolean notify) {
         super.onBlockAdded(state, world, pos, oldState, notify);
-        schedule(world, pos);
+        if (world instanceof ServerWorld) {
+            schedule(world, pos);
+        }
     }
 
     public void schedule(World world, BlockPos pos) {