diff --git a/nixos/tests/plasma5.nix b/nixos/tests/plasma5.nix
index 788c8719c8d2..88d4ff334369 100644
--- a/nixos/tests/plasma5.nix
+++ b/nixos/tests/plasma5.nix
@@ -30,6 +30,7 @@ import ./make-test.nix ({ pkgs, ...} :
       enable = true;
       user = "alice";
     };
+    hardware.pulseaudio.enable = true; # needed for the factl test, /dev/snd/* exists without them but udev doesn't care then
     virtualisation.memorySize = 1024;
     environment.systemPackages = [ sddm_theme ];
   };