diff --git a/ext/curl/tests/responder/get.php b/ext/curl/tests/responder/get.php
index daffdfca08f..9e13d6a746d 100644
--- a/ext/curl/tests/responder/get.php
+++ b/ext/curl/tests/responder/get.php
@@ -1,5 +1,6 @@
 <?php
-  switch($_GET['test']) {
+  $test = isset($_GET['test']) ? $_GET['test'] : null;
+  switch($test) {
     case 'post':
       var_dump($_POST);
       break;