diff --git a/modules/audio-server.nix b/modules/audio-server.nix
index 69249706..31e7096d 100644
--- a/modules/audio-server.nix
+++ b/modules/audio-server.nix
@@ -6,7 +6,7 @@
   };
 
   config = lib.mkIf config.c3d2.audioServer.enable {
-    boot.kernelPackages = lib.mkDefault pkgs.linuxPackages-rt_latest;
+    boot.kernelPackages = lib.mkOverride 900 pkgs.linuxPackages-rt_latest;
 
     environment.systemPackages = with pkgs; [
       mpd