diff --git a/lib/omniauth-spotify.rb b/lib/omniauth-spotify.rb
index 9692950..f8c18bf 100644
--- a/lib/omniauth-spotify.rb
+++ b/lib/omniauth-spotify.rb
@@ -50,6 +50,11 @@ def image_url
       def raw_info
         @raw_info ||= access_token.get('me').parsed
       end
+
+      def callback_url
+        full_host + script_name + callback_path
+      end
+
     end
   end
 end