1 files changed, 7 insertions, 5 deletions
diff --git a/activesupport/lib/active_support/core_ext/array/conversions.rb b/activesupport/lib/active_support/core_ext/array/conversions.rb
index 426e53ea1c..8205843a2b 100644
--- a/activesupport/lib/active_support/core_ext/array/conversions.rb
+++ b/activesupport/lib/active_support/core_ext/array/conversions.rb
@@ -25,12 +25,14 @@ module ActiveSupport #:nodoc:
         def to_param
           join '/'
         end
-        
-        def self.included(klass) #:nodoc:
-          klass.send(:alias_method, :to_default_s, :to_s)
-          klass.send(:alias_method, :to_s, :to_formatted_s)
+
+        def self.included(base) #:nodoc:
+          base.class_eval do
+            alias_method :to_default_s, :to_s
+            alias_method :to_s, :to_formatted_s
+          end
         end
-        
+
         def to_formatted_s(format = :default)
           case format
             when :db