diff --git a/packages/backend/src/db/redis.ts b/packages/backend/src/db/redis.ts
index dc703e9d47..72c23d84e2 100644
--- a/packages/backend/src/db/redis.ts
+++ b/packages/backend/src/db/redis.ts
@@ -12,7 +12,7 @@ export function createConnection() {
 		family: source.family ?? 0,
 		password: source.pass,
 		username: source.user ?? "default",
-		keyPrefix: `${source.prefix}:`,
+		keyPrefix: `${config.redisKeyPrefix}:`,
 		db: source.db || 0,
 		tls: source.tls,
 	});