diff --git a/nixos/modules/system/boot/systemd.nix b/nixos/modules/system/boot/systemd.nix
index abd8ab29caef..e8e827fdcc47 100644
--- a/nixos/modules/system/boot/systemd.nix
+++ b/nixos/modules/system/boot/systemd.nix
@@ -1128,6 +1128,7 @@ in
 
     users.groups.systemd-journal.gid = config.ids.gids.systemd-journal;
     users.users.systemd-journal-gateway.uid = config.ids.uids.systemd-journal-gateway;
+    users.users.systemd-journal-gateway.group = "systemd-journal-gateway";
     users.groups.systemd-journal-gateway.gid = config.ids.gids.systemd-journal-gateway;
 
     # Generate timer units for all services that have a ‘startAt’ value.