diff --git a/workflow/engine/templates/groups/groupsMembers.js b/workflow/engine/templates/groups/groupsMembers.js
index 54e4ddb72..39443f514 100644
--- a/workflow/engine/templates/groups/groupsMembers.js
+++ b/workflow/engine/templates/groups/groupsMembers.js
@@ -451,6 +451,7 @@ CancelEditMembersAction = function(){
   buttonsPanel.hide();
   editMembersButton.enable();
   MembersPanel.doLayout();
+  assignedGrid.setWidth(Ext.getBody().getWidth(true));
 };
 
 //Render Status