1 files changed, 2 insertions, 0 deletions
diff --git a/libcxx/test/std/utilities/variant/variant.monostate/monostate.pass.cpp b/libcxx/test/std/utilities/variant/variant.monostate/monostate.pass.cpp
index 1ba75a77907..c726f684c35 100644
--- a/libcxx/test/std/utilities/variant/variant.monostate/monostate.pass.cpp
+++ b/libcxx/test/std/utilities/variant/variant.monostate/monostate.pass.cpp
@@ -16,6 +16,8 @@
 #include <type_traits>
 #include <variant>
 
+#include "test_macros.h"
+
 int main(int, char**) {
   using M = std::monostate;
   static_assert(std::is_trivially_default_constructible<M>::value, "");