diff options
Diffstat (limited to 'actionpack/lib')
| -rw-r--r-- | actionpack/lib/action_dispatch/middleware/best_standards_support.rb | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/actionpack/lib/action_dispatch/middleware/best_standards_support.rb b/actionpack/lib/action_dispatch/middleware/best_standards_support.rb index 69adcc419f..d338996240 100644 --- a/actionpack/lib/action_dispatch/middleware/best_standards_support.rb +++ b/actionpack/lib/action_dispatch/middleware/best_standards_support.rb @@ -15,7 +15,13 @@ module ActionDispatch def call(env) status, headers, body = @app.call(env) - headers["X-UA-Compatible"] = @header + + if headers["X-UA-Compatible"] && @header + headers["X-UA-Compatible"] << "," << @header.to_s + else + headers["X-UA-Compatible"] = @header + end + [status, headers, body] end end |