diff --git a/modules/monitoring/library/Monitoring/Object/Service.php b/modules/monitoring/library/Monitoring/Object/Service.php
index fc317fc8d..4195b0ff4 100644
--- a/modules/monitoring/library/Monitoring/Object/Service.php
+++ b/modules/monitoring/library/Monitoring/Object/Service.php
@@ -111,7 +111,6 @@ class Service extends MonitoredObject
             'host_address',
             'host_alias',
             'host_display_name',
-            'host_display_name',
             'host_handled',
             'host_in_downtime',
             'host_last_state_change',