diff --git a/indra/newview/llfloateroutbox.cpp b/indra/newview/llfloateroutbox.cpp
index 2a2b231b53c11862c386568fec8b8487f7bda104..c55970ad695290f965f04415c7ab753f7841633c 100644
--- a/indra/newview/llfloateroutbox.cpp
+++ b/indra/newview/llfloateroutbox.cpp
@@ -58,6 +58,14 @@ bool LLNotificationsUI::LLOutboxNotification::processNotification(const LLNotifi
 	return false;
 }
 
+void LLNotificationsUI::LLOutboxNotification::onDelete(LLNotificationPtr p)
+{
+	LLNotificationsUI::LLSysHandler * sys_handler = dynamic_cast<LLNotificationsUI::LLSysHandler*>(LLNotifications::instance().getChannel("AlertModal").get());
+	if (sys_handler)
+	{
+		sys_handler->onDelete(p);
+	}
+}
 
 ///----------------------------------------------------------------------------
 /// LLOutboxAddedObserver helper class
diff --git a/indra/newview/llnotificationhandler.h b/indra/newview/llnotificationhandler.h
index 21f3961d182a92e752b36013d6b32f6696bda8a9..1725d632e8ab429872a78d0e646e39c495a2eb05 100644
--- a/indra/newview/llnotificationhandler.h
+++ b/indra/newview/llnotificationhandler.h
@@ -276,6 +276,7 @@ class LLOutboxNotification : public LLNotificationChannel
 	{}
 	/*virtual*/ void onAdd(LLNotificationPtr p) { processNotification(p); }
 	/*virtual*/ void onChange(LLNotificationPtr p) { processNotification(p); }
+	/*virtual*/ void onDelete(LLNotificationPtr p);
 	bool processNotification(const LLNotificationPtr& p);
 };