diff --git a/nixos/modules/services/monitoring/grafana.nix b/nixos/modules/services/monitoring/grafana.nix
index 5d3f2e6ac28..c2f6b585d49 100644
--- a/nixos/modules/services/monitoring/grafana.nix
+++ b/nixos/modules/services/monitoring/grafana.nix
@@ -552,6 +552,8 @@ in {
       description = "Grafana user";
       home = cfg.dataDir;
       createHome = true;
+      group = "grafana";
     };
+    users.groups.grafana = {};
   };
 }