diff --git a/asus/zephyrus/ga503/default.nix b/asus/zephyrus/ga503/default.nix
index de282a1..5597c81 100644
--- a/asus/zephyrus/ga503/default.nix
+++ b/asus/zephyrus/ga503/default.nix
@@ -12,4 +12,10 @@
     amdgpuBusId = "PCI:7:0:0";
     nvidiaBusId = "PCI:1:0:0";
   };
+
+  # fixes mic mute button
+  services.udev.extraHwdb = ''
+    evdev:name:*:dmi:bvn*:bvr*:bd*:svnASUS*:pn*:*
+     KEYBOARD_KEY_ff31007c=f20
+  '';
 }