diff --git a/pkgs/tools/games/steamtinkerlaunch/default.nix b/pkgs/tools/games/steamtinkerlaunch/default.nix
index 42935ad6e393..bf414fb2b34b 100644
--- a/pkgs/tools/games/steamtinkerlaunch/default.nix
+++ b/pkgs/tools/games/steamtinkerlaunch/default.nix
@@ -3,7 +3,6 @@
 , gawk
 , git
 , lib
-, makeWrapper
 , procps
 , stdenvNoCC
 , unixtools
@@ -12,6 +11,7 @@
 , xdotool
 , xorg
 , yad
+, writeShellApplication
 }:
 
 stdenvNoCC.mkDerivation {
@@ -25,31 +25,39 @@ stdenvNoCC.mkDerivation {
     hash = "sha256-CGtSGAm+52t2zFsPJEsm76w+FEHhbOd9NYuerGa31tc=";
   };
 
-  # hardcode PROGCMD because #150841
-  postPatch = ''
-    substituteInPlace steamtinkerlaunch --replace 'PROGCMD="''${0##*/}"' 'PROGCMD="steamtinkerlaunch"'
-  '';
-
-  nativeBuildInputs = [ makeWrapper ];
-
   installFlags = [ "PREFIX=\${out}" ];
 
-  postInstall = ''
-    wrapProgram $out/bin/steamtinkerlaunch --prefix PATH : ${lib.makeBinPath [
-      bash
-      gawk
-      git
-      procps
-      unixtools.xxd
-      unzip
-      wget
-      xdotool
-      xorg.xprop
-      xorg.xrandr
-      xorg.xwininfo
-      yad
-    ]}
-  '';
+  postInstall =
+    let
+      # We (ab)use writeShellApplication to produce a header for a shell script
+      # here in order to add the runtimePath to the original script. We cannot
+      # wrap here as that always corrupts $0 in bash scripts which STL uses to
+      # install its compat tool.
+      header = writeShellApplication {
+        runtimeInputs = [
+          bash
+          gawk
+          git
+          procps
+          unixtools.xxd
+          unzip
+          wget
+          xdotool
+          xorg.xprop
+          xorg.xrandr
+          xorg.xwininfo
+          yad
+        ];
+        name = "stl-head";
+        text = "";
+        bashOptions = [ ];
+      };
+    in
+    ''
+      cp $out/bin/steamtinkerlaunch $TMPDIR/steamtinkerlaunch
+      install ${lib.getExe header} -T $out/bin/steamtinkerlaunch
+      tail -n +2 $TMPDIR/steamtinkerlaunch >> $out/bin/steamtinkerlaunch
+    '';
 
   meta = with lib; {
     description = "Linux wrapper tool for use with the Steam client for custom launch options and 3rd party programs";