diff --git a/lib/scale/api/callback.rb b/lib/scale/api/callback.rb
index e936a53..161e17c 100644
--- a/lib/scale/api/callback.rb
+++ b/lib/scale/api/callback.rb
@@ -19,11 +19,11 @@ def verified?
       end
 
       def self.valid_callback_auth_key?(callback_key, request_callback_key)
-        !!(callback_key && request_callback_key && request_callback_key == callback_key)
+        callback_key && request_callback_key && request_callback_key == callback_key
       end
     end
   end
 end
 
 require 'scale/api/tasks'
-require 'scale/api/tasks/base_task'
\ No newline at end of file
+require 'scale/api/tasks/base_task'