diff --git a/src/main/java/com/threerings/crowd/chat/client/MuteDirector.java b/src/main/java/com/threerings/crowd/chat/client/MuteDirector.java
index 3c37a59a9..6d90a2689 100644
--- a/src/main/java/com/threerings/crowd/chat/client/MuteDirector.java
+++ b/src/main/java/com/threerings/crowd/chat/client/MuteDirector.java
@@ -82,6 +82,7 @@ public class MuteDirector extends BasicDirector
             _chatdir.removeChatFilter(this);
             _chatdir = null;
         }
+        _ctx.getClient().removeClientObserver(this);
     }
 
     /**