diff --git a/pkgs/os-specific/linux/rtl8814au/default.nix b/pkgs/os-specific/linux/rtl8814au/default.nix
new file mode 100644
index 00000000000..99b42fc7400
--- /dev/null
+++ b/pkgs/os-specific/linux/rtl8814au/default.nix
@@ -0,0 +1,39 @@
+{ stdenv, fetchFromGitHub, fetchpatch, kernel }:
+
+stdenv.mkDerivation rec {
+  name = "rtl8814au-${kernel.version}-${version}";
+  version = "4.3.21";
+
+  src = fetchFromGitHub {
+    owner = "zebulon2";
+    repo = "rtl8814au";
+    rev = "a58c56a5a6cb99ffb872f07cb67b68197911854f";
+    sha256 = "1ffm67da183nz009gm5v9w1bab081hrm113kk8knl9s5qbqnn13q";
+  };
+
+  buildInputs = kernel.moduleBuildDependencies;
+
+  hardeningDisable = [ "pic" ];
+
+  NIX_CFLAGS_COMPILE="-Wno-error=incompatible-pointer-types";
+
+  prePatch = ''
+    substituteInPlace ./Makefile \
+      --replace /lib/modules/ "${kernel.dev}/lib/modules/" \
+      --replace '$(shell uname -r)' "${kernel.modDirVersion}" \
+      --replace /sbin/depmod \# \
+      --replace '$(MODDESTDIR)' "$out/lib/modules/${kernel.modDirVersion}/kernel/net/wireless/"
+  '';
+
+  preInstall = ''
+    mkdir -p "$out/lib/modules/${kernel.modDirVersion}/kernel/net/wireless/"
+  '';
+
+  meta = with stdenv.lib; {
+    description = "Realtek 8814AU USB WiFi driver";
+    homepage = https://github.com/zebulon2/rtl8814au;
+    license = licenses.gpl2;
+    maintainers = [ maintainers.lassulus ];
+    platforms = [ "x86_64-linux" "i686-linux" ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 82c577d0c4e..7e208b9c08c 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -13257,6 +13257,8 @@ with pkgs;
 
     rtl8812au = callPackage ../os-specific/linux/rtl8812au { };
 
+    rtl8814au = callPackage ../os-specific/linux/rtl8814au { };
+
     rtlwifi_new = callPackage ../os-specific/linux/rtlwifi_new { };
 
     openafs = callPackage ../servers/openafs/module.nix { };