diff --git a/superset/databases/api.py b/superset/databases/api.py
index 5a65b84a33ed6..59c575eff45b7 100644
--- a/superset/databases/api.py
+++ b/superset/databases/api.py
@@ -578,7 +578,7 @@ def test_connection(  # pylint: disable=too-many-return-statements
             driver_name = make_url(item.get("sqlalchemy_uri")).drivername
             return self.response(
                 400,
-                message=_(f"Could not load database driver: {driver_name}"),
+                message=_("Could not load database driver: {}").format(driver_name),
                 driver_name=driver_name,
             )
         except DatabaseSecurityUnsafeError as ex: