diff --git a/dev.yml b/dev.yml
index dbecf91..72408d5 100644
--- a/dev.yml
+++ b/dev.yml
@@ -52,7 +52,7 @@ services:
       CHEVERETO_MAX_POST_SIZE: 64M
       CHEVERETO_MAX_UPLOAD_SIZE: 64M
       CHEVERETO_SESSION_SAVE_HANDLER: redis
-      CHEVERETO_SESSION_SAVE_PATH: tcp://redis:6379?auth[]=redis_password
+      CHEVERETO_SESSION_SAVE_PATH: "tcp://redis:6379?auth[]=redis_password&prefix=chv:SESSION:"
       CHEVERETO_ERROR_LOG_CLI: /proc/1/fd/2
       CHEVERETO_ERROR_LOG_CRON: /proc/1/fd/2
       CHEVERETO_ERROR_LOG: /dev/stderr