diff --git a/tests/test_postgresql.py b/tests/test_postgresql.py
index f18a8d29d8d57d31c050a380b646920aeed3d501..7d9fc330288a73baf2a4b611ecf8b635c41ff686 100755
--- a/tests/test_postgresql.py
+++ b/tests/test_postgresql.py
@@ -498,7 +498,7 @@ def main():
 
     # get database configuration
     db_host = conf.get("DB_HOST", "127.0.0.1")
-    db_port = conf.get(int("DB_PORT"), 5432)
+    db_port = int(conf.get("DB_PORT", 5432))
     db_user = conf.get("DB_USER", "postgres")
     db_pass = conf.get("DB_PG_ROOT_PWD")
     db_conf = {"host": db_host, "port": db_port, "user": db_user, "pass": db_pass}