diff --git a/config/cable.yml b/config/cable.yml
index fd2d04e8..e3d24a08 100644
--- a/config/cable.yml
+++ b/config/cable.yml
@@ -5,4 +5,4 @@ test:
   adapter: test
 
 production:
-  adapter: async
+  adapter: <%= ENV['CABLE_ADAPTER'] || 'async' %>