diff --git a/nixos/modules/services/monitoring/fusion-inventory.nix b/nixos/modules/services/monitoring/fusion-inventory.nix
index 9b65c76ce02e5..14b0ce356aff1 100644
--- a/nixos/modules/services/monitoring/fusion-inventory.nix
+++ b/nixos/modules/services/monitoring/fusion-inventory.nix
@@ -49,7 +49,9 @@ in {
     users.users.fusion-inventory = {
       description = "FusionInventory user";
       isSystemUser = true;
+      group = "fusion-inventory";
     };
+    users.groups.fusion-inventory = {};
 
     systemd.services.fusion-inventory = {
       description = "Fusion Inventory Agent";