diff --git a/test/meson.build b/test/meson.build
index eff5d75..6d7fafb 100644
--- a/test/meson.build
+++ b/test/meson.build
@@ -48,7 +48,7 @@ if build_oeffis
                    dependencies: deps_liboeffis + [dep_unittest]))
 
     env = environment()
-    env.set('LD_LIBRARY_PATH', meson.current_build_dir())
+    env.set('LD_LIBRARY_PATH', meson.project_build_root())
     pymod = import('python')
     pymod.find_installation('python3', modules: ['pytest', 'attr', 'dbusmock'])
     pytest = find_program('pytest-3', 'pytest')