diff --git a/docs/examples/http2-upload.c b/docs/examples/http2-upload.c
index d7aa320ed..2a08b89db 100644
--- a/docs/examples/http2-upload.c
+++ b/docs/examples/http2-upload.c
@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2018, 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
@@ -113,7 +113,7 @@ int my_trace(CURL *handle, curl_infotype type,
              char *data, size_t size,
              void *userp)
 {
-  char timebuf[20];
+  char timebuf[60];
   const char *text;
   int num = hnd2num(handle);
   static time_t epoch_offset;