--- a/hgext/rebase.py	Fri May 15 22:32:31 2015 +0900
+++ b/hgext/rebase.py	Thu May 14 21:35:06 2015 -0700
@@ -892,7 +892,7 @@
             # no backup of rebased cset versions needed
             repair.strip(repo.ui, repo, strippoints)
 
-    if activebookmark:
+    if activebookmark and activebookmark in repo._bookmarks:
         bookmarks.setcurrent(repo, activebookmark)
 
     clearstatus(repo)