diff --git a/test/threads/meson.build b/test/threads/meson.build
index 03e8202c9..36cd7c40c 100644
--- a/test/threads/meson.build
+++ b/test/threads/meson.build
@@ -6,4 +6,6 @@ test('hb-shape-threads', executable('hb-shape-threads', 'hb-shape-threads.cc',
   include_directories: [incconfig, incsrc],
   link_with: [libharfbuzz],
   install: false,
-), workdir: meson.current_source_dir() / '..', timeout: 100)
+  ),
+  workdir: meson.current_source_dir() / '..' / '..',
+  timeout: 100)