diff --git a/includes/services/check_imap.inc.php b/includes/services/check_imap.inc.php
index 89e2f1d3cd..c293d32f33 100644
--- a/includes/services/check_imap.inc.php
+++ b/includes/services/check_imap.inc.php
@@ -1,3 +1,3 @@
 <?php
 
-$check_cmd = $config['nagios_plugins'] . "/check_imap -H ".$service['hostname'];
+$check_cmd = $config['nagios_plugins'] . "/check_imap -H ".$service['hostname']." ".$service['service_param'];