diff --git a/pkgs/development/libraries/xdg-desktop-portal/default.nix b/pkgs/development/libraries/xdg-desktop-portal/default.nix
index b492fba90534..52a78442e84c 100644
--- a/pkgs/development/libraries/xdg-desktop-portal/default.nix
+++ b/pkgs/development/libraries/xdg-desktop-portal/default.nix
@@ -74,12 +74,6 @@ stdenv.mkDerivation (finalAttrs: {
     ./installed-tests-share.patch
   ];
 
-  # until/unless bubblewrap ships a pkg-config file, meson has no way to find it when cross-compiling.
-  postPatch = ''
-    substituteInPlace meson.build \
-      --replace-fail "find_program('bwrap'"  "find_program('${lib.getExe bubblewrap}'"
-  '';
-
   nativeBuildInputs = [
     docbook_xml_dtd_412
     docbook_xml_dtd_43
@@ -149,6 +143,12 @@ stdenv.mkDerivation (finalAttrs: {
 
   doCheck = true;
 
+  postPatch = ''
+    # until/unless bubblewrap ships a pkg-config file, meson has no way to find it when cross-compiling.
+    substituteInPlace meson.build \
+      --replace-fail "find_program('bwrap'"  "find_program('${lib.getExe bubblewrap}'"
+  '';
+
   preCheck = ''
     # For test_trash_file
     export HOME=$(mktemp -d)