diff --git a/lib/aspector/advice.rb b/lib/aspector/advice.rb
index d0ede9d..0c5dee6 100644
--- a/lib/aspector/advice.rb
+++ b/lib/aspector/advice.rb
@@ -17,7 +17,7 @@ def initialize parent, type, method_matcher, with_method, options = {}, &block
     end
 
     def with_method
-      @with_method ||= "aspect_#{@parent.hash}_#{@parent.send(:aop_advices).index(self)}"
+      @with_method ||= "aop_#{hash}"
     end
 
     def match? method, context = nil