diff --git a/config/application.rb b/config/application.rb
index 385eb65e7f441cfdf817054a15033d4926500640..202e5d5e327a00f0ae9004a342d9ff853e666731 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -62,7 +62,7 @@ class Application < Rails::Application
     # namespaces/users.
     # https://github.com/rails/rails/blob/5-0-stable/actioncable/lib/action_cable.rb#L38
     # Please change this value when configuring ActionCable for real usage.
-    config.action_cable.mount_path = "-" if rails5?
+    config.action_cable.mount_path = "/-/cable" if rails5?
 
     # Configure sensitive parameters which will be filtered from the log file.
     #