diff --git a/cron.php b/cron.php
index 9298c0c8..3f099834 100644
--- a/cron.php
+++ b/cron.php
@@ -61,7 +61,7 @@ if ($config_enable_cron == 0) {
 }
 
 // Check Cron Key
-if ($argv[1] !== $config_cron_key) {
+if (isset($argv[1]) !== $config_cron_key) {
     exit("Cron Key invalid  -- Quitting..");
 }
 
diff --git a/cron_ticket_email_parser.php b/cron_ticket_email_parser.php
index 2332aa4b..030ec8c1 100644
--- a/cron_ticket_email_parser.php
+++ b/cron_ticket_email_parser.php
@@ -32,7 +32,7 @@ if ($config_ticket_email_parse == 0) {
 $argv = $_SERVER['argv'];
 
 // Check Cron Key
-if ($argv[1] !== $config_cron_key) {
+if (isset($argv[1]) !== $config_cron_key) {
     exit("Cron Key invalid  -- Quitting..");
 }