diff --git a/config/application.config.php b/config/application.config.php
index ae09655cda561301ebbd624a2f7d6a09d672adfb..183a9ebc3330eec5c9aa58ab531a85d6bfde3811 100644
--- a/config/application.config.php
+++ b/config/application.config.php
@@ -20,7 +20,7 @@ $config = array(
         ),
     ),
 );
-if (PHP_SAPI == 'cli') {
+if (PHP_SAPI == 'cli' && !defined('VUFIND_PHPUNIT_RUNNING')) {
     $config['modules'][] = 'VuFind\\CLI';
 }
 return $config;
\ No newline at end of file