diff --git a/lib/omniauth/strategies/bitbucket.rb b/lib/omniauth/strategies/bitbucket.rb
index 4563aa4..07b48cd 100644
--- a/lib/omniauth/strategies/bitbucket.rb
+++ b/lib/omniauth/strategies/bitbucket.rb
@@ -26,6 +26,10 @@ class Bitbucket < OmniAuth::Strategies::OAuth2
         }
       end
 
+      def callback_url
+        full_host + script_name + callback_path
+      end
+
       def raw_info
         @raw_info ||= begin
                         ri = MultiJson.decode(access_token.get('/api/1.0/user').body)['user']