diff --git a/krebs/3modules/realwallpaper.nix b/krebs/3modules/realwallpaper.nix
index 1fa6012cf..167afed2c 100644
--- a/krebs/3modules/realwallpaper.nix
+++ b/krebs/3modules/realwallpaper.nix
@@ -59,10 +59,13 @@ let
 
     users.extraUsers.realwallpaper = {
       uid = genid "realwallpaper";
+      group = "realwallpaper";
       home = cfg.workingDir;
       createHome = true;
       isSystemUser = true;
     };
+
+    users.groups.realwallpaper = {};
   };
 
 in