diff --git a/everything-shell.nix b/everything-shell.nix
index bb9b1bf..ea6ce22 100644
--- a/everything-shell.nix
+++ b/everything-shell.nix
@@ -75,7 +75,7 @@ in
         pkgs.vapoursynthPlugins.wwxd
         pkgs.vapoursynthPlugins.znedi3
 
-        # pkgs.vapoursynthPlugins.acsuite
+        pkgs.vapoursynthPlugins.acsuite
         pkgs.vapoursynthPlugins.adjust
         pkgs.vapoursynthPlugins.astdr
         # pkgs.vapoursynthPlugins.awsmfunc
diff --git a/plugins/acsuite/default.nix b/plugins/acsuite/default.nix
index 34fa654..ec624e2 100644
--- a/plugins/acsuite/default.nix
+++ b/plugins/acsuite/default.nix
@@ -23,8 +23,10 @@ buildPythonPackage rec {
         --replace "VapourSynth" ""
   '';
 
-  checkInputs = [
+  nativeCheckInputs = [
     ffmpeg # the test depdends on ffmpeg from PATH
+  ];
+  checkInputs = [
     vapoursynth
   ];
   checkPhase = ''