1 files changed, 1 insertions, 1 deletions
diff --git a/src/library/scala/collection/immutable/TreeHashMap.scala b/src/library/scala/collection/immutable/TreeHashMap.scala
index 1a2d34cc38..a7de5bf8d1 100644
--- a/src/library/scala/collection/immutable/TreeHashMap.scala
+++ b/src/library/scala/collection/immutable/TreeHashMap.scala
@@ -54,7 +54,7 @@ class TreeHashMap[Key, +Value] private (private val underlying : IntMap[AssocMap
   def empty[V] = TreeHashMap.empty[Key, V]
 
   private def hash(key : Key) = {
-    var h = key.hashCode;
+    var h = key.##
     h ^= ((h >>> 20) ^ (h >>> 12));
     h ^ (h >>> 7) ^ (h >>> 4);
   }