diff --git a/nixos/modules/misc/ids.nix b/nixos/modules/misc/ids.nix
index adaa2b0d9ae..66f04668a70 100644
--- a/nixos/modules/misc/ids.nix
+++ b/nixos/modules/misc/ids.nix
@@ -102,6 +102,7 @@
       tcpcryptd = 93; # tcpcryptd uses a hard-coded uid. We patch it in Nixpkgs to match this choice.
       zope2 = 94;
       firebird = 95;
+      redis = 96;
 
       # When adding a uid, make sure it doesn't match an existing gid.
 
diff --git a/nixos/modules/services/databases/redis.nix b/nixos/modules/services/databases/redis.nix
index 5bc58c73bd6..059b157498d 100644
--- a/nixos/modules/services/databases/redis.nix
+++ b/nixos/modules/services/databases/redis.nix
@@ -177,8 +177,9 @@ in
 
   config = mkIf config.services.redis.enable {
 
-    users.extraUsers = singleton
+    users.extraUsers.redis =
       { name = cfg.user;
+        uid = config.ids.uids.redis;
         description = "Redis database user";
       };