diff --git a/pkgs/by-name/op/openbox/package.nix b/pkgs/by-name/op/openbox/package.nix
index eb82b79eaa8f..b97a3d11a314 100644
--- a/pkgs/by-name/op/openbox/package.nix
+++ b/pkgs/by-name/op/openbox/package.nix
@@ -93,6 +93,9 @@ stdenv.mkDerivation (finalAttrs: {
     wrapProgram "$out/bin/openbox-gnome-session" --prefix XDG_DATA_DIRS : "$out/share"
     wrapProgram "$out/bin/openbox-kde-session" --prefix XDG_DATA_DIRS : "$out/share"
     wrapPythonProgramsIn "$out/libexec" "$out ''${pythonPath[*]}"
+
+    substituteInPlace "$out/libexec/openbox-autostart" \
+      --replace-fail "$out/etc/xdg/openbox/autostart" "/etc/xdg/openbox/autostart"
   '';
 
   doInstallCheck = true;