1 files changed, 9 insertions, 0 deletions
diff --git a/actionpack/lib/action_controller/metal/rendering_controller.rb b/actionpack/lib/action_controller/metal/rendering_controller.rb
index 9e8bc82385..c5ade26702 100644
--- a/actionpack/lib/action_controller/metal/rendering_controller.rb
+++ b/actionpack/lib/action_controller/metal/rendering_controller.rb
@@ -65,6 +65,15 @@ module ActionController
         controller_path
       end
 
+      def _determine_template(options)
+        if (options.keys & [:partial, :file, :template, :text, :inline]).empty?
+          options[:_template_name] ||= options[:action]
+          options[:_prefix] = _prefix
+        end
+
+        super
+      end
+
       def format_for_text
         formats.first
       end