diff --git a/lass/1systems/prism.nix b/lass/1systems/prism.nix
index 269f94526..6c11a2f62 100644
--- a/lass/1systems/prism.nix
+++ b/lass/1systems/prism.nix
@@ -230,6 +230,7 @@ in {
     }
     {
       virtualisation.libvirtd.enable = true;
+      users.users.mainUser.extraGroups = [ "libvirtd" ];
     }
   ];