diff --git a/ptbletter/ptbletter.cls b/ptbletter/ptbletter.cls
index 5b2eefd0314637355279ed8653657d51a1211a10..5b08ffe44fbacc1ca7bf4b0390df9f8984917b41 100644
--- a/ptbletter/ptbletter.cls
+++ b/ptbletter/ptbletter.cls
@@ -293,6 +293,8 @@
 \defcaptionname{american,australian,british,canadian,%
   english,newzealand,UKenglish,USenglish}\handledbyname{Handled by}%
 
+\defcaptionname{german,ngerman,austrian,naustrian,%
+  swissgerman,nswissgerman}\yourmailname{Ihr Zeichen}%
 \defcaptionname{german,ngerman,austrian,naustrian,%
   swissgerman,nswissgerman}\yourmailname{Ihre Nachricht vom}%
 \defcaptionname{german,ngerman,austrian,naustrian,%