diff --git a/core/src/mindustry/world/Tile.java b/core/src/mindustry/world/Tile.java
index 95282758dd..45fad8a3e0 100644
--- a/core/src/mindustry/world/Tile.java
+++ b/core/src/mindustry/world/Tile.java
@@ -293,7 +293,9 @@ public class Tile implements Position, QuadTreeObject, Displayable{
         if(build != null){
             build.onProximityUpdate();
         }
-        pathfinder.updateTile(this);
+        if(!world.isGenerating() && pathfinder != null){
+            pathfinder.updateTile(this);
+        }
     }
 
     public boolean isEditorTile(){