diff --git a/lib/action_subscriber/configuration.rb b/lib/action_subscriber/configuration.rb
index <HASH>..<HASH> 100644
--- a/lib/action_subscriber/configuration.rb
+++ b/lib/action_subscriber/configuration.rb
@@ -72,7 +72,7 @@ module ActionSubscriber
             ::ActionSubscriber.config.__send__("#{key}=", setting) if setting
           end
 
-          nil
+          true
         end
       end
     end
Configuration memo should return something truthy or this will change