diff --git a/core/src/io/anuke/mindustry/world/blocks/Floor.java b/core/src/io/anuke/mindustry/world/blocks/Floor.java
index 1a28bc833e..51d4a5aa32 100644
--- a/core/src/io/anuke/mindustry/world/blocks/Floor.java
+++ b/core/src/io/anuke/mindustry/world/blocks/Floor.java
@@ -153,7 +153,7 @@ public class Floor extends Block{
     }
 
     protected boolean doEdge(Floor other, boolean sameLayer){
-        return (other != this) && (other.cacheLayer.ordinal() > this.cacheLayer.ordinal() || !sameLayer);
+        return (other.blendGroup.id > blendGroup.id || edges() == null) && other.edgeOnto(this) && (other.cacheLayer.ordinal() > this.cacheLayer.ordinal() || !sameLayer);
     }
 
     protected boolean edgeOnto(Floor other){