diff --git a/phpgwapi/setup/phpgw_de.lang b/phpgwapi/setup/phpgw_de.lang
index 9a0adb0aab..7ea58394f1 100644
--- a/phpgwapi/setup/phpgw_de.lang
+++ b/phpgwapi/setup/phpgw_de.lang
@@ -160,6 +160,7 @@ november	common	de	November
 october	common	de	Oktober
 ok	common	de	OK
 only yours	common	de	nur eigene
+open notify window	common	de	Benachrichtigungsfenster öffnen
 original	common	de	Original
 overview	common	de	Überblick
 owner	common	de	Besitzer