--- a/mercurial/transaction.py	Sat May 12 16:02:45 2012 +0200
+++ b/mercurial/transaction.py	Sat May 12 16:02:46 2012 +0200
@@ -164,7 +164,7 @@
                 _playback(self.journal, self.report, self.opener,
                           self.entries, False)
                 self.report(_("rollback completed\n"))
-            except:
+            except Exception:
                 self.report(_("rollback failed - please run hg recover\n"))
         finally:
             self.journal = None