diff --git a/lib/whenever/job_list.rb b/lib/whenever/job_list.rb
index 7df39c68..17e72d8b 100644
--- a/lib/whenever/job_list.rb
+++ b/lib/whenever/job_list.rb
@@ -37,7 +37,7 @@ def method_missing(name, *args, &block)
       @set_variables.has_key?(name) ? @set_variables[name] : super
     end
 
-    def self.respond_to?(name, include_private = false)
+    def respond_to?(name, include_private = false)
       @set_variables.has_key?(name) || super
     end