lib/mongoid/timestamps/updated.rb in mongoid-2.0.2 vs lib/mongoid/timestamps/updated.rb in mongoid-2.1.0

@@ -24,10 +24,10 @@
       # This is only called on create and on save.
       #
       # @example Set the updated at time.
       #   person.set_updated_at
       def set_updated_at
-        self.updated_at = Time.now.utc
+        self.updated_at = Time.now.utc unless self.updated_at_changed?
       end
     end
   end
 end