diff --git a/engines/dfc_provider/app/services/dfc_provider/authorization_control.rb b/engines/dfc_provider/app/services/dfc_provider/authorization_control.rb
index a7da60984b..071ac4dda9 100644
--- a/engines/dfc_provider/app/services/dfc_provider/authorization_control.rb
+++ b/engines/dfc_provider/app/services/dfc_provider/authorization_control.rb
@@ -32,7 +32,7 @@ module DfcProvider
     end
 
     def ofn_user
-      @request.env['warden'].user
+      @request.env['warden']&.user
     end
 
     def decode_token