diff --git a/lib/icinga/notification.cpp b/lib/icinga/notification.cpp
index 81a48bada8..bd3158ced5 100644
--- a/lib/icinga/notification.cpp
+++ b/lib/icinga/notification.cpp
@@ -389,7 +389,7 @@ void Notification::BeginExecuteNotification(NotificationType type, const CheckRe
 
 		if (type == NotificationProblem && GetInterval() <= 0)
 			SetNoMoreNotifications(true);
-		else
+		else if (type != NotificationCustom)
 			SetNoMoreNotifications(false);
 
 		if (type == NotificationProblem && GetInterval() > 0)