X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/783b5e3729228908d7404ae7404af1023501a906..3159c3c3f715250ef97e468eb155b868322b0426:/app/controllers/application_controller.rb

diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index bee5e8169..f419460ee 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -185,6 +185,8 @@ class ApplicationController < ActionController::Base
 
   def api_call_handle_error
     yield
+  rescue ActionController::UnknownFormat
+    head :not_acceptable
   rescue ActiveRecord::RecordNotFound => e
     head :not_found
   rescue LibXML::XML::Error, ArgumentError => e