diff --git a/app/config/config.yml b/app/config/config.yml
index e5c87860d..f2f5f9f33 100644
--- a/app/config/config.yml
+++ b/app/config/config.yml
@@ -101,6 +101,6 @@ fos_rest:
         failed_validation: HTTP_BAD_REQUEST
         default_engine: twig
     routing_loader:
-        include_format: false
+        default_format: json
 
 nelmio_api_doc: ~
\ No newline at end of file