diff --git a/core/src/mindustry/logic/LExecutor.java b/core/src/mindustry/logic/LExecutor.java
index e01e5442f1..5b6b580707 100644
--- a/core/src/mindustry/logic/LExecutor.java
+++ b/core/src/mindustry/logic/LExecutor.java
@@ -1298,7 +1298,7 @@ public class LExecutor{
                 //TODO this can be quite laggy...
                 switch(layer){
                     case ore -> {
-                        if(b instanceof OverlayFloor || b == Blocks.air && tile.overlay() != b) tile.setOverlayNet(b);
+                        if((b instanceof OverlayFloor || b == Blocks.air) && tile.overlay() != b) tile.setOverlayNet(b);
                     }
                     case floor -> {
                         if(b instanceof Floor f && tile.floor() != f && !f.isOverlay()) tile.setFloorNet(f);