diff --git a/config/environments/production.rb b/config/environments/production.rb
index 6c1f2f8fb..64c4bb6ec 100644
--- a/config/environments/production.rb
+++ b/config/environments/production.rb
@@ -52,6 +52,7 @@
   # Use a different cache store in production.
   # config.cache_store = :mem_cache_store
   config.cache_store = :redis_cache_store, { url: ENV.fetch("REDIS_CACHE_URL", nil) }
+  config.session_store(:cache_store, key: "decidim_session")
 
   # Use a real queuing backend for Active Job (and separate queues per environment)
   # config.active_job.queue_adapter     = :resque