1 files changed, 4 insertions, 2 deletions
diff --git a/lib/api/api.rb b/lib/api/api.rb
index bd16806892b..6cd4a853dbe 100644
--- a/lib/api/api.rb
+++ b/lib/api/api.rb
@@ -7,8 +7,10 @@ module API
       rack_response({ 'message' => '404 Not found' }.to_json, 404)
     end
 
-    rescue_from Grape::Exceptions::ValidationErrors do |e|
-      error!({ messages: e.full_messages }, 400)
+    # Retain 405 error rather than a 500 error for Grape 0.15.0+.
+    # See: https://github.com/ruby-grape/grape/commit/252bfd27c320466ec3c0751812cf44245e97e5de
+    rescue_from Grape::Exceptions::Base do |e|
+      error! e.message, e.status, e.headers
     end
 
     rescue_from :all do |exception|