diff --git a/hosts/desktops/io.nix b/hosts/desktops/io.nix
index a64b8e8..692c99d 100644
--- a/hosts/desktops/io.nix
+++ b/hosts/desktops/io.nix
@@ -83,40 +83,19 @@
     [
       (final: prev: {
         alsa-ucm-conf = prev.alsa-ucm-conf.overrideAttrs (old: {
-          srcs = [
-            (fetchurl {
-              url = "mirror://alsa/lib/alsa-ucm-conf-1.2.9.tar.bz2";
-              hash = "sha256-N09oM7/XfQpGdeSqK/t53v6FDlpGpdRUKkWWL0ueJyo=";
-            })
-            (fetchurl {
-              url =
-                "https://github.com/WeirdTreeThing/chromebook-ucm-conf/archive/792a6d5ef0d70ac1f0b4861f3d29da4fe9acaed1.tar.gz";
-              hash = "sha256-Ae/k9vA5lWiomSa6WCfp+ROqEij11FPwlHAIG6L19JI=";
-            })
-          ];
-          unpackPhase = ''
-            runHook preUnpack
+          wttsrc = (fetchFromGitHub {
+            owner = "WeirdTreeThing";
+            repo = "chromebook-ucm-conf";
+            rev = "484f5c581ac45c4ee6cfaf62bdecedfa44353424";
+            hash = "sha256-Jal+VfxrPSAPg9ZR+e3QCy4jgSWT4sSShxICKTGJvAI=";
+          });
 
-            for _src in $srcs; do
-              tar xf "$_src"
-            done
-
-            ls
-
-            runHook postUnpack
-          '';
           installPhase = ''
             runHook preInstall
-
             mkdir -p $out/share/alsa
-            cp -r alsa-ucm-conf-1.2.9/ucm alsa-ucm-conf-1.2.9/ucm2 $out/share/alsa
-
+            cp -r ucm ucm2 $out/share/alsa
             mkdir -p $out/share/alsa/ucm2/conf.d
-            cp -r chromebook-ucm-conf-792a6d5ef0d70ac1f0b4861f3d29da4fe9acaed1/hdmi-common \
-            chromebook-ucm-conf-792a6d5ef0d70ac1f0b4861f3d29da4fe9acaed1/dmic-common \
-            chromebook-ucm-conf-792a6d5ef0d70ac1f0b4861f3d29da4fe9acaed1/cml/* \
-            $out/share/alsa/ucm2/conf.d
-
+            cp -r $wttsrc/{hdmi,dmic}-common $wttsrc/tgl/* $out/share/alsa/ucm2/conf.d
             runHook postInstall
           '';
         });