diff --git a/modules/gnome.nix b/modules/gnome.nix
index 4de125f..5043761 100644
--- a/modules/gnome.nix
+++ b/modules/gnome.nix
@@ -53,7 +53,7 @@
 
   # Enable sound.
   security.rtkit.enable = true;
-  hardware.pulseaudio = {
+  services.pulseaudio = {
     enable = false;
     zeroconf.discovery.enable = true;
     extraClientConf = ''