diff -r e1ebf3d12098 -r 8b35a898b334 server/sources/native.py
--- a/server/sources/native.py	Wed Jun 11 15:58:01 2014 +0200
+++ b/server/sources/native.py	Wed Jun 11 15:32:07 2014 +0200
@@ -1541,7 +1541,7 @@
                                         SQL_PREFIX + 'login'),
                                        {'newhash': self.source._binary(newhash),
                                         'login': login})
-                    cnx.commit(free_cnxset=False)
+                    cnx.commit()
             return user
         except IndexError:
             raise AuthenticationError('bad password')