diff --git a/default.nix b/default.nix
index e39793f..26d6206 100644
--- a/default.nix
+++ b/default.nix
@@ -59,6 +59,7 @@ in
     vsTAAmbk = callPythonPackage ./plugins/vsTAAmbk { };
     vsutil = callPythonPackage ./plugins/vsutil { };
 
+    awsmfunc = callPythonPackage ./plugins/awsmfunc { };
     fvsfunc = callPythonPackage ./plugins/fvsfunc { };
     havsfunc = callPythonPackage ./plugins/havsfunc { };
     kagefunc = callPythonPackage ./plugins/kagefunc { };
diff --git a/plugins/awsmfunc/default.nix b/plugins/awsmfunc/default.nix
new file mode 100644
index 0000000..c3fcbf9
--- /dev/null
+++ b/plugins/awsmfunc/default.nix
@@ -0,0 +1,45 @@
+{ lib, vapoursynthPlugins, buildPythonPackage, fetchgit, numpy, vapoursynth }:
+let
+  propagatedBinaryPlugins = with vapoursynthPlugins; [
+    descale
+    fillborders
+    placebo
+    remap
+  ];
+in
+buildPythonPackage rec {
+  pname = "awsmfunc";
+  version = "unstable-2021-01-26";
+
+  src = fetchgit {
+    url = "https://git.concertos.live/AHD/awsmfunc.git";
+    rev = "e57ad6a976d059ffcf8ae59ee986bdbefef53cd0";
+    sha256 = "0j2gzxcz3sy0h7r5a1dhl6xjgjd2m66mw4kfm8q2glar5b7gn0k7";
+  };
+
+  # This does not depend on vapoursynth (since this is used from within
+  # vapoursynth).
+  postPatch = ''
+    substituteInPlace requirements.txt \
+        --replace "VapourSynth>=49" "" \
+        --replace "rekt@https://gitlab.com/Ututu/rekt/-/archive/3da2b2f2b2d670e635cef6dcc61f19c8fe10f1fa/rekt-3da2b2f2b2d670e635cef6dcc61f19c8fe10f1fa.zip" "rekt"
+  '';
+
+  propagatedBuildInputs = [
+    numpy
+  ] ++ (with vapoursynthPlugins; [
+    rekt
+    vsutil
+  ]);
+
+  checkInputs = [ (vapoursynth.withPlugins propagatedBinaryPlugins) ];
+  pythonImportsCheck = [ "awsmfunc" ];
+
+  meta = with lib; {
+    description = "A VapourSynth function collection";
+    homepage = "https://git.concertos.live/AHD/awsmfunc";
+    license = licenses.unfree; # no license
+    maintainers = with maintainers; [ sbruder ];
+    platforms = platforms.all;
+  };
+}