diff --git a/tests/lib/vfs/vfs_setup_cwd.c b/tests/lib/vfs/vfs_setup_cwd.c
index 4ec98dc677..95ff79222f 100644
--- a/tests/lib/vfs/vfs_setup_cwd.c
+++ b/tests/lib/vfs/vfs_setup_cwd.c
@@ -30,6 +30,7 @@
 #include <stdlib.h>
 
 #include "lib/strutil.h"
+#include "lib/util.h"
 #include "lib/vfs/xdirentry.h"
 #include "src/vfs/local/local.c"