lib/also_migrate/migrator.rb in also_migrate-0.3.3 vs lib/also_migrate/migrator.rb in also_migrate-0.3.4

@@ -1,9 +1,9 @@
 module AlsoMigrate
   module Migrator
     
     def self.included(base)
-      unless base.respond_to?(:migrate_with_also_migrate)
+      unless base.included_modules.include?(InstanceMethods)
         base.send :include, InstanceMethods
         base.class_eval do
           alias_method :migrate_without_also_migrate, :migrate
           alias_method :migrate, :migrate_with_also_migrate
         end
\ No newline at end of file