diff --git a/inventory_provider/routes/poller.py b/inventory_provider/routes/poller.py
index b5adf8dc4328290821340ac17d341304c6dc10fc..1c789f62f36d18153b204fede4f4be4a7b938759 100644
--- a/inventory_provider/routes/poller.py
+++ b/inventory_provider/routes/poller.py
@@ -1420,7 +1420,7 @@ def gws_direct_config():
                             'info': ifc.get('info', '')
                         }
 
-    if format == 'json':
+    if wanted == 'json':
         if not request.accept_mimetypes.accept_json:
             return Response(
                 response="response will be json",