diff --git a/lib/action_controller/serialization.rb b/lib/action_controller/serialization.rb
index df23aa95..d8aaef9a 100644
--- a/lib/action_controller/serialization.rb
+++ b/lib/action_controller/serialization.rb
@@ -87,7 +87,7 @@ module ActionController
       if serializer = options.fetch(:serializer, default_serializer(resource))
         options[:scope] = serialization_scope unless options.has_key?(:scope)
 
-        if resource.respond_to?(:each)
+        if resource.respond_to?(:to_ary)
           options[:resource_name] = controller_name 
           options[:namespace] = namespace_for_serializer if namespace_for_serializer
         end
diff --git a/lib/active_model/serializer.rb b/lib/active_model/serializer.rb
index 01b439e7..cceba3f4 100644
--- a/lib/active_model/serializer.rb
+++ b/lib/active_model/serializer.rb
@@ -56,7 +56,7 @@ end
       attr_reader :key_format
 
       def serializer_for(resource, options = {})
-        if resource.respond_to?(:each) && !resource.is_a?(Hash)
+        if resource.respond_to?(:to_ary)
           if Object.constants.include?(:ArraySerializer)
             ::ArraySerializer
           else
diff --git a/lib/active_model/serializer/version.rb b/lib/active_model/serializer/version.rb
index aa440753..624455c8 100644
--- a/lib/active_model/serializer/version.rb
+++ b/lib/active_model/serializer/version.rb
@@ -1,5 +1,5 @@
 module ActiveModel
   class Serializer
-    VERSION = '0.9.1'
+    VERSION = '0.9.3'
   end
 end
diff --git a/test/fixtures/poro.rb b/test/fixtures/poro.rb
index 73fc0463..26c8c7d0 100644
--- a/test/fixtures/poro.rb
+++ b/test/fixtures/poro.rb
@@ -100,10 +100,6 @@ class ProfileSerializer < ActiveModel::Serializer
   attributes :name, :description
 end
 
-class DifferentProfileSerializer < ActiveModel::Serializer
-  attributes :name
-end
-
 class CategorySerializer < ActiveModel::Serializer
   attributes :name
 
diff --git a/test/integration/action_controller/serialization_test.rb b/test/integration/action_controller/serialization_test.rb
index e3ec71b3..e740824e 100644
--- a/test/integration/action_controller/serialization_test.rb
+++ b/test/integration/action_controller/serialization_test.rb
@@ -283,21 +283,5 @@ module ActionController
         assert_equal("{\"my\":[{\"name\":\"Name 1\",\"email\":\"mail@server.com\",\"profile_id\":#{@controller.user.profile.object_id}}],\"profiles\":[{\"name\":\"N1\",\"description\":\"D1\"}]}", @response.body)
       end
     end
-
-    class ExplicitEachSerializerWithEnumarableObjectTest < ActionController::TestCase
-      class MyController < ActionController::Base
-        def render_array
-          render json: [Profile.new({ name: 'Name 1', description: 'Description 1', comments: 'Comments 1' })].to_enum, each_serializer: DifferentProfileSerializer
-        end
-      end
-
-      tests MyController
-
-      def test_render_array
-        get :render_array
-        assert_equal 'application/json', @response.content_type
-        assert_equal '{"my":[{"name":"Name 1"}]}', @response.body
-      end
-    end
   end
 end