diff --git a/core/src/io/anuke/mindustry/world/blocks/power/PowerNode.java b/core/src/io/anuke/mindustry/world/blocks/power/PowerNode.java
index 8c3002c417..3c9356076b 100644
--- a/core/src/io/anuke/mindustry/world/blocks/power/PowerNode.java
+++ b/core/src/io/anuke/mindustry/world/blocks/power/PowerNode.java
@@ -183,7 +183,7 @@ public class PowerNode extends PowerBlock{
         if(tile == other){
             if(other.entity.power.links.size == 0){
                 getPotentialLinks(tile, link -> {
-                    tile.configure(link.pos());
+                    if(!insulated(tile, link)) tile.configure(link.pos());
                 });
             }else{
                 while(entity.power.links.size > 0){