diff --git a/lib/delayed/message_sending.rb b/lib/delayed/message_sending.rb
index 974433699..80474cd17 100644
--- a/lib/delayed/message_sending.rb
+++ b/lib/delayed/message_sending.rb
@@ -10,7 +10,7 @@ def initialize(target, options)
     def method_missing(method, *args)
       Job.create({
         :payload_object => PerformableMethod.new(@target, method.to_sym, args),
-        :priority       => Delayed::Worker.default_priority
+        :priority       => ::Delayed::Worker.default_priority
       }.merge(@options))
     end
   end