diff --git a/aosstower/level_00/legacy_db_insert.py b/aosstower/level_00/legacy_db_insert.py
index d4f37db5bbfc18268d2c352490f14dc8e7d4f87c..b11f9afaa04dba570d7908ce7b2a6090cd52b21e 100644
--- a/aosstower/level_00/legacy_db_insert.py
+++ b/aosstower/level_00/legacy_db_insert.py
@@ -58,7 +58,9 @@ def main():
     parser.add_argument('src', help='Level 0 raw data file')
 
     args = parser.parse_args()
-    lvl = logging._levelNames.get(args.loglvl.upper(), logging.INFO)
+    lvl = logging.getLevelName(args.loglvl.upper())
+    if isinstance(lvl, str):
+        lvl = logging.INFO
 
     configure_logging(lvl, args.logfn)