diff --git a/nixos/modules/services/databases/redis.nix b/nixos/modules/services/databases/redis.nix
index d55658bb25b2..b735ffd79e70 100644
--- a/nixos/modules/services/databases/redis.nix
+++ b/nixos/modules/services/databases/redis.nix
@@ -571,7 +571,7 @@ in
       lib.nameValuePair (redisName name) {
         description = "System user for the redis-server instance ${name}";
         isSystemUser = true;
-        group = redisName name;
+        group = conf.group;
       }
     ) (lib.filterAttrs (name: conf: conf.user == redisName name) enabledServers);
     users.groups = lib.mapAttrs' (