diff --git a/flask_restx/api.py b/flask_restx/api.py
index 5996dd59..a82fe0bc 100644
--- a/flask_restx/api.py
+++ b/flask_restx/api.py
@@ -196,8 +196,7 @@ def __init__(
         self.url_scheme = url_scheme
         if app is not None:
             self.app = app
-            self.init_app(app)
-        # super(Api, self).__init__(app, **kwargs)
+            self.init_app(app, **kwargs)
 
     def init_app(self, app, **kwargs):
         """