diff --git a/git_cl.py b/git_cl.py
index 0a44a32..95bf695 100755
--- a/git_cl.py
+++ b/git_cl.py
@@ -1575,7 +1575,8 @@
     DieWithError('This branch has no associated changelist.')
   description = ChangeDescription(cl.GetDescription())
   description.prompt()
-  cl.UpdateDescription(description.description)
+  if cl.GetDescription() != description.description:
+    cl.UpdateDescription(description.description)
   return 0