diff --git a/hostconfig/gandalf/nixos.nix b/hostconfig/gandalf/nixos.nix
index 424b7e4..00eb64b 100644
--- a/hostconfig/gandalf/nixos.nix
+++ b/hostconfig/gandalf/nixos.nix
@@ -63,7 +63,7 @@ in
   };
 
   # Enable sound with pipewire.
-  hardware.pulseaudio.enable = false;
+  services.pulseaudio.enable = false;
   security.rtkit.enable = true;
   services.pipewire = {
     enable = true;