diff --git a/app/controllers/decidim/apifiles/blobs_controller.rb b/app/controllers/decidim/apifiles/blobs_controller.rb
index fccc936..5805495 100644
--- a/app/controllers/decidim/apifiles/blobs_controller.rb
+++ b/app/controllers/decidim/apifiles/blobs_controller.rb
@@ -77,6 +77,10 @@ def permission_class_chain
       def permission_scope
         :admin
       end
+
+      def current_user
+        super || try(:current_api_user)
+      end
     end
   end
 end