diff --git a/plugins/adjust/default.nix b/plugins/adjust/default.nix
index b7c2e44..323614d 100644
--- a/plugins/adjust/default.nix
+++ b/plugins/adjust/default.nix
@@ -1,4 +1,4 @@
-{ lib, buildPythonPackage, fetchFromGitHub, fetchpatch, python3, vapoursynth }:
+{ lib, buildPythonPackage, fetchFromGitHub, fetchpatch, python, vapoursynth }:
 
 buildPythonPackage rec {
   pname = "vapoursynth-adjust";
@@ -21,12 +21,12 @@ buildPythonPackage rec {
   format = "other";
 
   installPhase = ''
-    install -D adjust.py $out/${python3.sitePackages}/adjust.py
+    install -D adjust.py $out/${python.sitePackages}/adjust.py
   '';
 
   checkInputs = [ vapoursynth ];
   checkPhase = ''
-    PYTHONPATH=$out/${python3.sitePackages}:$PYTHONPATH
+    PYTHONPATH=$out/${python.sitePackages}:$PYTHONPATH
   '';
   pythonImportsCheck = [ "adjust" ];
 
diff --git a/plugins/debandshit/default.nix b/plugins/debandshit/default.nix
index 26ddb41..4394efc 100644
--- a/plugins/debandshit/default.nix
+++ b/plugins/debandshit/default.nix
@@ -1,4 +1,4 @@
-{ lib, vapoursynthPlugins, buildPythonPackage, fetchFromGitHub, python3, vapoursynth }:
+{ lib, vapoursynthPlugins, buildPythonPackage, fetchFromGitHub, python, vapoursynth }:
 let
   propagatedBinaryPlugins = with vapoursynthPlugins; [
     f3kdb
@@ -27,14 +27,14 @@ buildPythonPackage rec {
 
   installPhase = ''
     runHook preInstall
-    install -D debandshit.py $out/${python3.sitePackages}/debandshit.py
+    install -D debandshit.py $out/${python.sitePackages}/debandshit.py
     runHook postInstall
   '';
 
   checkInputs = [ (vapoursynth.withPlugins propagatedBinaryPlugins) ];
   checkPhase = ''
     runHook preCheck
-    PYTHONPATH=$out/${python3.sitePackages}:$PYTHONPATH
+    PYTHONPATH=$out/${python.sitePackages}:$PYTHONPATH
     runHook postCheck
   '';
   pythonImportsCheck = [ "debandshit" ];
diff --git a/plugins/descale/default.nix b/plugins/descale/default.nix
index 44d6180..5aa5c2a 100644
--- a/plugins/descale/default.nix
+++ b/plugins/descale/default.nix
@@ -1,7 +1,7 @@
-{ lib, stdenv, fetchFromGitHub, meson, ninja, pkg-config, vapoursynth, python3 }:
+{ lib, stdenv, fetchFromGitHub, meson, ninja, pkg-config, vapoursynth, python }:
 
-# required to make python3.buildEnv use descale’s python module
-python3.pkgs.toPythonModule (stdenv.mkDerivation rec {
+# required to make python.buildEnv use descale’s python module
+python.pkgs.toPythonModule (stdenv.mkDerivation rec {
   pname = "vapoursynth-descale";
   version = "r6";
 
@@ -21,7 +21,7 @@ python3.pkgs.toPythonModule (stdenv.mkDerivation rec {
   '';
 
   postInstall = ''
-    install -D ../descale.py $out/${python3.sitePackages}/descale.py
+    install -D ../descale.py $out/${python.sitePackages}/descale.py
   '';
 
   meta = with lib; {
diff --git a/plugins/edi_rpow2/default.nix b/plugins/edi_rpow2/default.nix
index 90b3377..bbeb662 100644
--- a/plugins/edi_rpow2/default.nix
+++ b/plugins/edi_rpow2/default.nix
@@ -1,4 +1,4 @@
-{ lib, buildPythonPackage, fetchgit, vapoursynthPlugins, python3, vapoursynth }:
+{ lib, buildPythonPackage, fetchgit, vapoursynthPlugins, python, vapoursynth }:
 
 buildPythonPackage rec {
   pname = "edi_rpow2";
@@ -26,12 +26,12 @@ buildPythonPackage rec {
   format = "other";
 
   installPhase = ''
-    install -D edi_rpow2.py $out/${python3.sitePackages}/edi_rpow2.py
+    install -D edi_rpow2.py $out/${python.sitePackages}/edi_rpow2.py
   '';
 
   checkInputs = [ (vapoursynth.withPlugins propagatedBuildInputs) ];
   checkPhase = ''
-    PYTHONPATH=$out/${python3.sitePackages}:$PYTHONPATH
+    PYTHONPATH=$out/${python.sitePackages}:$PYTHONPATH
   '';
   pythonImportsCheck = [ "edi_rpow2" ];
 
diff --git a/plugins/finedehalo/default.nix b/plugins/finedehalo/default.nix
index a0bfedd..50ea6a2 100644
--- a/plugins/finedehalo/default.nix
+++ b/plugins/finedehalo/default.nix
@@ -1,4 +1,4 @@
-{ lib, buildPythonPackage, fetchgit, vapoursynthPlugins, python3, vapoursynth }:
+{ lib, buildPythonPackage, fetchgit, vapoursynthPlugins, python, vapoursynth }:
 
 buildPythonPackage rec {
   pname = "finedehalo";
@@ -19,14 +19,14 @@ buildPythonPackage rec {
 
   installPhase = ''
     runHook preInstall
-    install -D finedehalo.py $out/${python3.sitePackages}/finedehalo.py
+    install -D finedehalo.py $out/${python.sitePackages}/finedehalo.py
     runHook postInstall
   '';
 
   checkInputs = [ vapoursynth ];
   checkPhase = ''
     runHook preCheck
-    PYTHONPATH=$out/${python3.sitePackages}:$PYTHONPATH
+    PYTHONPATH=$out/${python.sitePackages}:$PYTHONPATH
     runHook postCheck
   '';
   pythonImportsCheck = [ "finedehalo" ];
diff --git a/plugins/fvsfunc/default.nix b/plugins/fvsfunc/default.nix
index d971ed7..917aa6f 100644
--- a/plugins/fvsfunc/default.nix
+++ b/plugins/fvsfunc/default.nix
@@ -1,4 +1,4 @@
-{ lib, vapoursynthPlugins, buildPythonPackage, fetchFromGitHub, python3, vapoursynth }:
+{ lib, vapoursynthPlugins, buildPythonPackage, fetchFromGitHub, python, vapoursynth }:
 let
   propagatedBinaryPlugins = with vapoursynthPlugins; [
     bilateral
@@ -29,12 +29,12 @@ buildPythonPackage rec {
   format = "other";
 
   installPhase = ''
-    install -D fvsfunc.py $out/${python3.sitePackages}/fvsfunc.py
+    install -D fvsfunc.py $out/${python.sitePackages}/fvsfunc.py
   '';
 
   checkInputs = [ (vapoursynth.withPlugins propagatedBinaryPlugins) ];
   checkPhase = ''
-    PYTHONPATH=$out/${python3.sitePackages}:$PYTHONPATH
+    PYTHONPATH=$out/${python.sitePackages}:$PYTHONPATH
   '';
   pythonImportsCheck = [ "fvsfunc" ];
 
diff --git a/plugins/havsfunc/default.nix b/plugins/havsfunc/default.nix
index 6011de1..c6073dd 100644
--- a/plugins/havsfunc/default.nix
+++ b/plugins/havsfunc/default.nix
@@ -1,4 +1,4 @@
-{ lib, buildPythonPackage, fetchFromGitHub, vapoursynthPlugins, python3, vapoursynth }:
+{ lib, buildPythonPackage, fetchFromGitHub, vapoursynthPlugins, python, vapoursynth }:
 
 buildPythonPackage rec {
   pname = "havsfunc";
@@ -41,12 +41,12 @@ buildPythonPackage rec {
   format = "other";
 
   installPhase = ''
-    install -D havsfunc.py $out/${python3.sitePackages}/havsfunc.py
+    install -D havsfunc.py $out/${python.sitePackages}/havsfunc.py
   '';
 
   checkInputs = [ (vapoursynth.withPlugins propagatedBuildInputs) ];
   checkPhase = ''
-    PYTHONPATH=$out/${python3.sitePackages}:$PYTHONPATH
+    PYTHONPATH=$out/${python.sitePackages}:$PYTHONPATH
   '';
   pythonImportsCheck = [ "havsfunc" ];
 
diff --git a/plugins/kagefunc/default.nix b/plugins/kagefunc/default.nix
index 1f86142..4dfd186 100644
--- a/plugins/kagefunc/default.nix
+++ b/plugins/kagefunc/default.nix
@@ -1,4 +1,4 @@
-{ lib, vapoursynthPlugins, buildPythonPackage, fetchFromGitHub, python3, vapoursynth }:
+{ lib, vapoursynthPlugins, buildPythonPackage, fetchFromGitHub, python, vapoursynth }:
 let
   propagatedBinaryPlugins = with vapoursynthPlugins; [
     adaptivegrain
@@ -36,12 +36,12 @@ buildPythonPackage rec {
   format = "other";
 
   installPhase = ''
-    install -D kagefunc.py $out/${python3.sitePackages}/kagefunc.py
+    install -D kagefunc.py $out/${python.sitePackages}/kagefunc.py
   '';
 
   checkInputs = [ (vapoursynth.withPlugins propagatedBinaryPlugins) ];
   checkPhase = ''
-    PYTHONPATH=$out/${python3.sitePackages}:$PYTHONPATH
+    PYTHONPATH=$out/${python.sitePackages}:$PYTHONPATH
     python3 tests.py
   '';
   pythonImportsCheck = [ "kagefunc" ];
diff --git a/plugins/mt_lutspa/default.nix b/plugins/mt_lutspa/default.nix
index 03cef5a..c74da72 100644
--- a/plugins/mt_lutspa/default.nix
+++ b/plugins/mt_lutspa/default.nix
@@ -1,4 +1,4 @@
-{ lib, buildPythonPackage, fetchgit, numpy, vapoursynthPlugins, python3, vapoursynth }:
+{ lib, buildPythonPackage, fetchgit, numpy, vapoursynthPlugins, python, vapoursynth }:
 
 buildPythonPackage rec {
   pname = "mt_lutspa";
@@ -21,12 +21,12 @@ buildPythonPackage rec {
   format = "other";
 
   installPhase = ''
-    install -D mt_lutspa.py $out/${python3.sitePackages}/mt_lutspa.py
+    install -D mt_lutspa.py $out/${python.sitePackages}/mt_lutspa.py
   '';
 
   checkInputs = [ vapoursynth ];
   checkPhase = ''
-    PYTHONPATH=$out/${python3.sitePackages}:$PYTHONPATH
+    PYTHONPATH=$out/${python.sitePackages}:$PYTHONPATH
   '';
   pythonImportsCheck = [ "mt_lutspa" ];
 
diff --git a/plugins/muvsfunc/default.nix b/plugins/muvsfunc/default.nix
index a21a263..faa494d 100644
--- a/plugins/muvsfunc/default.nix
+++ b/plugins/muvsfunc/default.nix
@@ -1,4 +1,4 @@
-{ lib, vapoursynthPlugins, buildPythonPackage, fetchFromGitHub, matplotlib, python3, vapoursynth }:
+{ lib, vapoursynthPlugins, buildPythonPackage, fetchFromGitHub, matplotlib, python, vapoursynth }:
 let
   propagatedBinaryPlugins = with vapoursynthPlugins; [
     descale
@@ -30,12 +30,12 @@ buildPythonPackage rec {
   format = "other";
 
   installPhase = ''
-    install -D muvsfunc.py $out/${python3.sitePackages}/muvsfunc.py
+    install -D muvsfunc.py $out/${python.sitePackages}/muvsfunc.py
   '';
 
   checkInputs = [ (vapoursynth.withPlugins propagatedBinaryPlugins) ];
   checkPhase = ''
-    PYTHONPATH=$out/${python3.sitePackages}:$PYTHONPATH
+    PYTHONPATH=$out/${python.sitePackages}:$PYTHONPATH
   '';
   pythonImportsCheck = [ "muvsfunc" ];
 
diff --git a/plugins/mvsfunc/default.nix b/plugins/mvsfunc/default.nix
index 1c025bc..f7bd2e0 100644
--- a/plugins/mvsfunc/default.nix
+++ b/plugins/mvsfunc/default.nix
@@ -1,4 +1,4 @@
-{ lib, buildPythonPackage, fetchFromGitHub, vapoursynthPlugins, python3, vapoursynth }:
+{ lib, buildPythonPackage, fetchFromGitHub, vapoursynthPlugins, python, vapoursynth }:
 
 buildPythonPackage rec {
   pname = "mvsfunc";
@@ -19,12 +19,12 @@ buildPythonPackage rec {
   format = "other";
 
   installPhase = ''
-    install -D mvsfunc.py $out/${python3.sitePackages}/mvsfunc.py
+    install -D mvsfunc.py $out/${python.sitePackages}/mvsfunc.py
   '';
 
   checkInputs = [ (vapoursynth.withPlugins propagatedBuildInputs) ];
   checkPhase = ''
-    PYTHONPATH=$out/${python3.sitePackages}:$PYTHONPATH
+    PYTHONPATH=$out/${python.sitePackages}:$PYTHONPATH
   '';
   pythonImportsCheck = [ "mvsfunc" ];
 
diff --git a/plugins/nnedi3_resample/default.nix b/plugins/nnedi3_resample/default.nix
index 6e1c5e1..7ad0ac5 100644
--- a/plugins/nnedi3_resample/default.nix
+++ b/plugins/nnedi3_resample/default.nix
@@ -1,4 +1,4 @@
-{ lib, buildPythonPackage, fetchFromGitHub, vapoursynthPlugins, python3, vapoursynth }:
+{ lib, buildPythonPackage, fetchFromGitHub, vapoursynthPlugins, python, vapoursynth }:
 
 buildPythonPackage rec {
   pname = "nnedi3_resample";
@@ -20,12 +20,12 @@ buildPythonPackage rec {
   format = "other";
 
   installPhase = ''
-    install -D nnedi3_resample.py $out/${python3.sitePackages}/nnedi3_resample.py
+    install -D nnedi3_resample.py $out/${python.sitePackages}/nnedi3_resample.py
   '';
 
   checkInputs = [ (vapoursynth.withPlugins propagatedBuildInputs) ];
   checkPhase = ''
-    PYTHONPATH=$out/${python3.sitePackages}:$PYTHONPATH
+    PYTHONPATH=$out/${python.sitePackages}:$PYTHONPATH
   '';
   pythonImportsCheck = [ "nnedi3_resample" ];
 
diff --git a/plugins/nnedi3_rpow2/default.nix b/plugins/nnedi3_rpow2/default.nix
index 99a1b02..dba4258 100644
--- a/plugins/nnedi3_rpow2/default.nix
+++ b/plugins/nnedi3_rpow2/default.nix
@@ -1,4 +1,4 @@
-{ lib, buildPythonPackage, fetchgit, vapoursynthPlugins, python3, vapoursynth }:
+{ lib, buildPythonPackage, fetchgit, vapoursynthPlugins, python, vapoursynth }:
 
 buildPythonPackage rec {
   pname = "nnedi3_rpow2";
@@ -20,12 +20,12 @@ buildPythonPackage rec {
   format = "other";
 
   installPhase = ''
-    install -D nnedi3_rpow2.py $out/${python3.sitePackages}/nnedi3_rpow2.py
+    install -D nnedi3_rpow2.py $out/${python.sitePackages}/nnedi3_rpow2.py
   '';
 
   checkInputs = [ (vapoursynth.withPlugins propagatedBuildInputs) ];
   checkPhase = ''
-    PYTHONPATH=$out/${python3.sitePackages}:$PYTHONPATH
+    PYTHONPATH=$out/${python.sitePackages}:$PYTHONPATH
   '';
   pythonImportsCheck = [ "nnedi3_rpow2" ];
 
diff --git a/plugins/vsTAAmbk/default.nix b/plugins/vsTAAmbk/default.nix
index 46fe8ce..ecf593b 100644
--- a/plugins/vsTAAmbk/default.nix
+++ b/plugins/vsTAAmbk/default.nix
@@ -1,4 +1,4 @@
-{ lib, buildPythonPackage, fetchFromGitHub, vapoursynthPlugins, python3, vapoursynth }:
+{ lib, buildPythonPackage, fetchFromGitHub, vapoursynthPlugins, python, vapoursynth }:
 
 buildPythonPackage rec {
   pname = "vsTAAmbk";
@@ -37,12 +37,12 @@ buildPythonPackage rec {
   format = "other";
 
   installPhase = ''
-    install -D vsTAAmbk.py $out/${python3.sitePackages}/vsTAAmbk.py
+    install -D vsTAAmbk.py $out/${python.sitePackages}/vsTAAmbk.py
   '';
 
   checkInputs = [ (vapoursynth.withPlugins propagatedBuildInputs) ];
   checkPhase = ''
-    PYTHONPATH=$out/${python3.sitePackages}:$PYTHONPATH
+    PYTHONPATH=$out/${python.sitePackages}:$PYTHONPATH
     python3 test/vsTAAmbkTestCase.py
   '';