diff --git a/src/main/java/gregtech/common/GT_Proxy.java b/src/main/java/gregtech/common/GT_Proxy.java
index c0e1134c..09fb87fd 100644
--- a/src/main/java/gregtech/common/GT_Proxy.java
+++ b/src/main/java/gregtech/common/GT_Proxy.java
@@ -1888,5 +1888,11 @@ public abstract class GT_Proxy implements IGT_Mod, IGuiHandler, IFuelHandler {
         }
     }
 
+    @SubscribeEvent
+    public void onBlockEvent(BlockEvent event) {
+    	if (event.block.getUnlocalizedName().equals("blockAlloyGlass"))
+    		GregTech_API.causeMachineUpdate(event.world, event.x, event.y, event.z);
+    }
 
-}
\ No newline at end of file
+
+}