diff --git a/lib/travis/api/app/endpoint/authorization.rb b/lib/travis/api/app/endpoint/authorization.rb
index 7048ac21..9269fc06 100644
--- a/lib/travis/api/app/endpoint/authorization.rb
+++ b/lib/travis/api/app/endpoint/authorization.rb
@@ -139,7 +139,7 @@ class Travis::Api::App
 
       get '/check_cookie' do
         content_type :js
-        "cookiesCheckCallback(%p)" % request.cookie.include?('foo')
+        "cookiesCheckCallback(%p)" % request.cookies.include?('foo')
       end
 
       error Faraday::Error::ClientError do