diff --git a/e107_plugins/pm/admin_config.php b/e107_plugins/pm/admin_config.php
index 39e079d0a..4ff2568d5 100644
--- a/e107_plugins/pm/admin_config.php
+++ b/e107_plugins/pm/admin_config.php
@@ -886,7 +886,7 @@ class private_msg_ui extends e_admin_ui
 
 			if(empty($new_data['pm_to']))
 			{
-				e107::getMessage()->addError(ADLAN_PM_90');
+				e107::getMessage()->addError(ADLAN_PM_90);
 				return false;
 			}