diff --git a/pkgs/applications/video/mpv/scripts/simple-mpv-webui.nix b/pkgs/applications/video/mpv/scripts/simple-mpv-webui.nix
index 55d55fdf59f8..f36bce3cb200 100644
--- a/pkgs/applications/video/mpv/scripts/simple-mpv-webui.nix
+++ b/pkgs/applications/video/mpv/scripts/simple-mpv-webui.nix
@@ -20,6 +20,10 @@ buildLua rec {
   };
   passthru.updateScript = gitUpdater { rev-prefix = "v"; };
 
+  postInstall = ''
+    rm -f $out/share/mpv/scripts/webui/setup.cfg
+  '';
+
   scriptPath = ".";
   passthru.scriptName = "webui";