diff --git a/superset/db_engine_specs/mysql.py b/superset/db_engine_specs/mysql.py
index 07d2aea36286e..03b978df65cca 100644
--- a/superset/db_engine_specs/mysql.py
+++ b/superset/db_engine_specs/mysql.py
@@ -199,9 +199,13 @@ def adjust_engine_params(
         catalog: Optional[str] = None,
         schema: Optional[str] = None,
     ) -> Tuple[URL, Dict[str, Any]]:
-        uri, new_connect_args = super(
-            MySQLEngineSpec, MySQLEngineSpec
-        ).adjust_engine_params(uri, connect_args, catalog, schema)
+        uri, new_connect_args = super().adjust_engine_params(
+            uri,
+            connect_args,
+            catalog,
+            schema,
+        )
+
         if schema:
             uri = uri.set(database=parse.quote(schema, safe=""))