diff --git a/test/src/thd.c b/test/src/thd.c
index 7e53625f..c9d00658 100644
--- a/test/src/thd.c
+++ b/test/src/thd.c
@@ -14,8 +14,11 @@ void
 thd_join(thd_t thd, void **ret)
 {
 
-	if (WaitForSingleObject(thd, INFINITE) == WAIT_OBJECT_0 && ret)
-		GetExitCodeThread(thd, (LPDWORD) ret);
+	if (WaitForSingleObject(thd, INFINITE) == WAIT_OBJECT_0 && ret) {
+		DWORD exit_code;
+		GetExitCodeThread(thd, (LPDWORD) &exit_code);
+		*ret = (void *)(uintptr_t)exit_code;
+	}
 }
 
 #else