diff --git a/ext/curl/tests/bug62839.phpt b/ext/curl/tests/bug62839.phpt
index 39e6fc9cbe9..e6988d6de18 100644
--- a/ext/curl/tests/bug62839.phpt
+++ b/ext/curl/tests/bug62839.phpt
@@ -7,7 +7,7 @@ Bug #62839 (curl_copy_handle segfault with CURLOPT_FILE)
 <?php
 $curl = curl_init();
 
-$fd = fopen('/tmp/test', 'wb');
+$fd = tmpfile();
 curl_setopt($curl, CURLOPT_FILE, $fd);
 
 curl_copy_handle($curl);