1 files changed, 2 insertions, 0 deletions
diff --git a/libcxx/test/std/thread/futures/futures.async/async_race.pass.cpp b/libcxx/test/std/thread/futures/futures.async/async_race.pass.cpp
index 9da57e38ae9..4562169f68d 100644
--- a/libcxx/test/std/thread/futures/futures.async/async_race.pass.cpp
+++ b/libcxx/test/std/thread/futures/futures.async/async_race.pass.cpp
@@ -28,6 +28,8 @@
 #include <memory>
 #include <cassert>
 
+#include "test_macros.h"
+
 int f_async() {
     typedef std::chrono::milliseconds ms;
     std::this_thread::sleep_for(ms(200));