diff --git a/lib/phpunit/classes/util.php b/lib/phpunit/classes/util.php
index 114a55b4674..8114893ec72 100644
--- a/lib/phpunit/classes/util.php
+++ b/lib/phpunit/classes/util.php
@@ -534,7 +534,7 @@ class phpunit_util extends testing_util {
 
         $template = '
         <testsuites>
-            <testsuite name="@component@">
+            <testsuite name="@component@_testsuite">
                 <directory suffix="_test.php">.</directory>
             </testsuite>
         </testsuites>';