diff --git a/common/net/minecraftforge/event/ListenerList.java b/common/net/minecraftforge/event/ListenerList.java
index b88a4c86e..7600d777c 100644
--- a/common/net/minecraftforge/event/ListenerList.java
+++ b/common/net/minecraftforge/event/ListenerList.java
@@ -185,6 +185,11 @@ public class ListenerList
          */
         private void buildCache()
         {        
+            if(parent != null && parent.shouldRebuild())
+            {
+                parent.buildCache();
+            }
+            
             ArrayList<IEventListener> ret = new ArrayList<IEventListener>();
             for (EventPriority value : EventPriority.values())
             {