diff --git a/actionview/lib/action_view/helpers/form_tag_helper.rb b/actionview/lib/action_view/helpers/form_tag_helper.rb
index 5aeb138f7a..c0218fd55d 100644
--- a/actionview/lib/action_view/helpers/form_tag_helper.rb
+++ b/actionview/lib/action_view/helpers/form_tag_helper.rb
@@ -135,15 +135,16 @@ module ActionView
 
         if options.include?(:include_blank)
           include_blank = options.delete(:include_blank)
+
           if include_blank == true
             include_blank = ''
           end
 
-          option_tags = content_tag(:option, include_blank, :value => '').safe_concat(option_tags)
+          option_tags = content_tag(:option, include_blank, value: '').safe_concat(option_tags)
         end
 
         if prompt = options.delete(:prompt)
-          option_tags = content_tag(:option, prompt, :value => '').safe_concat(option_tags)
+          option_tags = content_tag(:option, prompt, value: '').safe_concat(option_tags)
         end
 
         content_tag :select, option_tags, { "name" => html_name, "id" => sanitize_to_id(name) }.update(options.stringify_keys)
diff --git a/actionview/test/template/form_tag_helper_test.rb b/actionview/test/template/form_tag_helper_test.rb
index e8170d43e1..f8fd642809 100644
--- a/actionview/test/template/form_tag_helper_test.rb
+++ b/actionview/test/template/form_tag_helper_test.rb
@@ -233,7 +233,7 @@ class FormTagHelperTest < ActionView::TestCase
   end
 
   def test_select_tag_with_include_blank_string
-    actual = select_tag "places", "<option>Home</option><option>Work</option><option>Pub</option>".html_safe, :include_blank => 'Choose'
+    actual = select_tag "places", "<option>Home</option><option>Work</option><option>Pub</option>".html_safe, include_blank: 'Choose'
     expected = %(<select id="places" name="places"><option value="">Choose</option><option>Home</option><option>Work</option><option>Pub</option></select>)
     assert_dom_equal expected, actual
   end