diff --git a/src/as/com/threerings/util/HashMap.as b/src/as/com/threerings/util/HashMap.as
index 87596f485..1e49baec9 100644
--- a/src/as/com/threerings/util/HashMap.as
+++ b/src/as/com/threerings/util/HashMap.as
@@ -17,6 +17,7 @@ public class HashMap
     public function clear () :void
     {
         _simpleData = null;
+        _entries = null;
         _size = 0;
     }