diff --git a/nixos/hosts/nas0/default.nix b/nixos/hosts/nas0/default.nix
index adf7a50..0929133 100644
--- a/nixos/hosts/nas0/default.nix
+++ b/nixos/hosts/nas0/default.nix
@@ -17,7 +17,7 @@
   users.groups.data = {};
   users.users.data = {
     isNormalUser = true;
-    groups = "data";
+    group = "data";
   };
 
   services.samba = {