diff --git a/scripts/cleanup_datasets/pgcleanup.py b/scripts/cleanup_datasets/pgcleanup.py
index 21cb488e5b1..410f125ed1c 100755
--- a/scripts/cleanup_datasets/pgcleanup.py
+++ b/scripts/cleanup_datasets/pgcleanup.py
@@ -991,7 +991,7 @@ class Cleanup:
     def conn(self):
         if self.__conn is None:
             url = make_url(galaxy.config.get_database_url(self.config))
-            log.info('Connecting to database with URL: %s' % url)
+            log.info(f'Connecting to database with URL: {url}')
             args = url.translate_connect_args(username='user')
             args.update(url.query)
             assert url.get_dialect().name == 'postgresql', 'This script can only be used with PostgreSQL.'