diff --git a/test/test-fs.c b/test/test-fs.c
index 638e25f85..aaf262cb8 100644
--- a/test/test-fs.c
+++ b/test/test-fs.c
@@ -423,6 +423,11 @@ static void check_utime(const char* path, double atime, double mtime) {
 #if _WIN32
   ASSERT(s->st_atime == atime);
   ASSERT(s->st_mtime == mtime);
+#elif !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
+  ASSERT(s->st_atimespec.tv_sec  == atime);
+  ASSERT(s->st_atimespec.tv_nsec == 0); /* FIXME check sub-second precision */
+  ASSERT(s->st_mtimespec.tv_sec  == mtime);
+  ASSERT(s->st_mtimespec.tv_nsec == 0); /* FIXME check sub-second precision */
 #else
   ASSERT(s->st_atim.tv_sec  == atime);
   ASSERT(s->st_atim.tv_nsec == 0); /* FIXME check sub-second precision */