diff --git a/railties/lib/rails/generators/rails/scaffold_controller/templates/controller.rb b/railties/lib/rails/generators/rails/scaffold_controller/templates/controller.rb
index 6f7eb072294d5..e813437d753aa 100644
--- a/railties/lib/rails/generators/rails/scaffold_controller/templates/controller.rb
+++ b/railties/lib/rails/generators/rails/scaffold_controller/templates/controller.rb
@@ -31,7 +31,7 @@ def create
     if @<%= orm_instance.save %>
       redirect_to @<%= singular_table_name %>, notice: <%= "'#{human_name} was successfully created.'" %>
     else
-      render action: "new"
+      render action: 'new'
     end
   end
 
@@ -40,7 +40,7 @@ def update
     if @<%= orm_instance.update("#{singular_table_name}_params") %>
       redirect_to @<%= singular_table_name %>, notice: <%= "'#{human_name} was successfully updated.'" %>
     else
-      render action: "edit"
+      render action: 'edit'
     end
   end
 
diff --git a/railties/test/generators/scaffold_controller_generator_test.rb b/railties/test/generators/scaffold_controller_generator_test.rb
index bd99e786443d8..c34ce285e3a05 100644
--- a/railties/test/generators/scaffold_controller_generator_test.rb
+++ b/railties/test/generators/scaffold_controller_generator_test.rb
@@ -162,7 +162,7 @@ def self.all(klass)
   def test_new_hash_style
     run_generator
     assert_file "app/controllers/users_controller.rb" do |content|
-      assert_match(/render action: "new"/, content)
+      assert_match(/render action: 'new'/, content)
     end
   end
 end