diff --git a/application/core/Utils/CommandLineHelper.php b/application/core/Utils/CommandLineHelper.php
index 464875c7..56b2c15d 100644
--- a/application/core/Utils/CommandLineHelper.php
+++ b/application/core/Utils/CommandLineHelper.php
@@ -19,6 +19,9 @@ class CommandLineHelper {
 	 */
 	public static function getParameter($paramName) {
 		global $argv;
+		if (!is_array($argv)) {
+			return null;
+		}
 		$paramName = (string)$paramName;
 		foreach ($argv as $arg) {
 			$parts = explode('=', $arg, 2);