diff --git a/src/main/java/ellpeck/actuallyadditions/misc/LaserRelayConnectionHandler.java b/src/main/java/ellpeck/actuallyadditions/misc/LaserRelayConnectionHandler.java
index 854465b55..41163cb9f 100644
--- a/src/main/java/ellpeck/actuallyadditions/misc/LaserRelayConnectionHandler.java
+++ b/src/main/java/ellpeck/actuallyadditions/misc/LaserRelayConnectionHandler.java
@@ -62,6 +62,7 @@ public class LaserRelayConnectionHandler{
         else if(secondNetwork != null){
             secondNetwork.add(new ConnectionPair(firstRelay, secondRelay));
         }
+        WorldData.makeDirty();
     }
 
     /**
@@ -76,6 +77,7 @@ public class LaserRelayConnectionHandler{
                 }
             }
         }
+        WorldData.makeDirty();
     }
 
     /**