diff --git a/configuration.nix b/configuration.nix
index c45f1cc..049e169 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -100,6 +100,28 @@ with pkgs;
     identityPaths = [ "/etc/ssh/id_ed25519" ];
   };
 
+  # Enable internal microphone when headphones are plugged in
+  hardware.firmware = [
+    (writeTextDir "/lib/firmware/hda-jack-retask.fw" ''
+      [codec]
+      0x10ec0293 0x17aa2233 0
+
+      [pincfg]
+      0x12 0x90a60130
+      0x13 0x40000000
+      0x14 0x90170110
+      0x15 0x03211040
+      0x16 0x21211010
+      0x18 0x411111f0
+      0x19 0x21a11010
+      0x1a 0x40f000f0
+      0x1b 0x411111f0
+      0x1d 0x40738105
+      0x1e 0x411111f0
+    '')
+  ];
+  boot.extraModprobeConfig = "options snd-hda-intel patch=hda-jack-retask.fw";
+
   # Import other configuration modules
   imports = [
     ./modules/hardware-configuration.nix