diff --git a/src/static/js/broadcast_revisions.js b/src/static/js/broadcast_revisions.js
index 9774dc3f7..1980bdf30 100644
--- a/src/static/js/broadcast_revisions.js
+++ b/src/static/js/broadcast_revisions.js
@@ -48,7 +48,7 @@ function loadBroadcastRevisionsJS()
     });
   }
 
-  var revisionInfo = {};
+  revisionInfo = {};
   revisionInfo.addChangeset = function(fromIndex, toIndex, changeset, backChangeset, timeDelta)
   {
     var startRevision = revisionInfo[fromIndex] || revisionInfo.createNew(fromIndex);