diff --git a/actioncable/lib/action_cable/railtie.rb b/actioncable/lib/action_cable/railtie.rb
index d4833eb9e3..1faecb19d7 100644
--- a/actioncable/lib/action_cable/railtie.rb
+++ b/actioncable/lib/action_cable/railtie.rb
@@ -19,11 +19,16 @@ module ActionCable
     end
 
     initializer "action_cable.set_configs" do |app|
+      app.paths.add "config/redis/cable", with: "config/redis/cable.yml"
+
       options = app.config.action_cable
 
       options.allowed_request_origins ||= "http://localhost:3000" if ::Rails.env.development?
 
       ActiveSupport.on_load(:action_cable) do
+        path = Pathname.new(paths["config/redis/cable"].existent.first)
+        self.redis = Rails.application.config_for(redis_path).with_indifferent_access
+
         options.each { |k,v| send("#{k}=", v) }
       end
     end