diff --git a/osm_common/dbmemory.py b/osm_common/dbmemory.py
index ad52135..272f6d6 100644
--- a/osm_common/dbmemory.py
+++ b/osm_common/dbmemory.py
@@ -29,7 +29,7 @@
 
 class DbMemory(DbBase):
     def __init__(self, logger_name="db", lock=False):
-        super().__init__(logger_name, lock)
+        super().__init__(logger_name=logger_name, lock=lock)
         self.db = {}
 
     def db_connect(self, config):