diff --git a/src/common/optparser.py b/src/common/optparser.py
index c4a488f0c..f701e1545 100644
--- a/src/common/optparser.py
+++ b/src/common/optparser.py
@@ -303,7 +303,7 @@ class OptionsParser:
 		con.close()
 		gajim.config.set('version', '0.10.1.3')
 
-	def update_config_to_01014():
+	def update_config_to_01014(self):
 		'''apply indeces to the logs database'''
 		import exceptions
 		try: