1 files changed, 3 insertions, 1 deletions
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/assign2.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/assign2.pass.cpp
index af87052ff21..7f223af5741 100644
--- a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/assign2.pass.cpp
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/assign2.pass.cpp
@@ -16,10 +16,12 @@
 #include <string>
 #include <cassert>
 
+#include "test_macros.h"
+
 int main()
 {
 #ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
-#if __cplusplus >= 201103L
+#if TEST_STD_VER >= 11
     char16_t c = u'\0';
     std::char_traits<char16_t>::assign(c, u'a');
     assert(c == u'a');