diff --git a/app/helpers/tenanting_helper.rb b/app/helpers/tenanting_helper.rb
index 762e12fa0..b5c50e80d 100644
--- a/app/helpers/tenanting_helper.rb
+++ b/app/helpers/tenanting_helper.rb
@@ -2,6 +2,6 @@ module TenantingHelper
   def tenanted_action_cable_meta_tag
     tag "meta",
         name: "action-cable-url",
-        content: [ request.script_name, ActionCable.server.config.mount_path ].join("/")
+        content: "#{request.script_name}#{ActionCable.server.config.mount_path}"
   end
 end