diff --git a/compiler-rt/lib/asan/tests/asan_test.cc b/compiler-rt/lib/asan/tests/asan_test.cc
index 3eae2584ac31..8bd4eb13c771 100644
--- a/compiler-rt/lib/asan/tests/asan_test.cc
+++ b/compiler-rt/lib/asan/tests/asan_test.cc
@@ -1643,6 +1643,7 @@ TEST(AddressSanitizer, ThreadedStressStackReuseTest) {
 
 static void *PthreadExit(void *a) {
   pthread_exit(0);
+  return 0;
 }
 
 TEST(AddressSanitizer, PthreadExitTest) {