diff --git a/pkgs/by-name/ap/app2unit/package.nix b/pkgs/by-name/ap/app2unit/package.nix
index 904eb912f24d..eb59854c460f 100644
--- a/pkgs/by-name/ap/app2unit/package.nix
+++ b/pkgs/by-name/ap/app2unit/package.nix
@@ -2,6 +2,7 @@
   lib,
   stdenvNoCC,
   dash,
+  xdg-terminal-exec,
   scdoc,
   fetchFromGitHub,
   nix-update-script,
@@ -48,7 +49,9 @@ stdenvNoCC.mkDerivation (finalAttrs: {
   dontPatchShebangs = true;
   postFixup = ''
     substituteInPlace $out/bin/app2unit \
-      --replace-fail '#!/bin/sh' '#!${lib.getExe dash}'
+      --replace-fail '#!/bin/sh' '#!${lib.getExe dash}' \
+      --replace-fail 'A2U__TERMINAL_HANDLER=xdg-terminal-exec' \
+                     'A2U__TERMINAL_HANDLER=${lib.getExe xdg-terminal-exec}'
   '';
 
   meta = {