diff --git a/modules/rpi-netboot.nix b/modules/rpi-netboot.nix
index c10303af..1e62dde0 100644
--- a/modules/rpi-netboot.nix
+++ b/modules/rpi-netboot.nix
@@ -6,6 +6,7 @@
       version = 4;
       firmwareConfig = lib.mkDefault ''
         gpu_mem=256
+        dtparam=audio=on
       '';
     };
     # linuxPackages_latest doesn't boot