diff --git a/railties/test/application/configuration_test.rb b/railties/test/application/configuration_test.rb
index 6066253003..e41b21e21a 100644
--- a/railties/test/application/configuration_test.rb
+++ b/railties/test/application/configuration_test.rb
@@ -588,7 +588,7 @@ def create
       assert_equal true, ActionController::Parameters.raise_on_unpermitted_parameters
 
       post "/posts", {post: {"title" =>"zomg"}}
-      assert_match /We're sorry, but something went wrong/, last_response.body
+      assert_match "We're sorry, but something went wrong", last_response.body
     end
 
     test "config.action_controller.raise_on_unpermitted_parameters is true by default on development" do