diff --git a/tests/libtest/lib1564.c b/tests/libtest/lib1564.c
index 225c8c6d7b..13ac5b01e2 100644
--- a/tests/libtest/lib1564.c
+++ b/tests/libtest/lib1564.c
@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -26,7 +26,7 @@
 #include "memdebug.h"
 
 #define TEST_HANG_TIMEOUT 60 * 1000
-#define WAKEUP_NUM 1234567
+#define WAKEUP_NUM 10
 
 int test(char *URL)
 {