1 files changed, 2 insertions, 1 deletions
diff --git a/test/std/re/re.alg/re.alg.search/lookahead.pass.cpp b/test/std/re/re.alg/re.alg.search/lookahead.pass.cpp
index 9f5f9540165a0..93424e188432f 100644
--- a/test/std/re/re.alg/re.alg.search/lookahead.pass.cpp
+++ b/test/std/re/re.alg/re.alg.search/lookahead.pass.cpp
@@ -20,8 +20,9 @@
 
 #include <regex>
 #include <cassert>
+#include "test_macros.h"
 
-int main() 
+int main()
 {
     assert(!std::regex_search("ab", std::regex("(?=^)b")));
     assert(!std::regex_search("ab", std::regex("a(?=^)b")));