diff --git a/language/de-DE/tpl_cassiopeia.sys.ini b/language/de-DE/tpl_cassiopeia.sys.ini
index 68a17be01..238cb2f3d 100644
--- a/language/de-DE/tpl_cassiopeia.sys.ini
+++ b/language/de-DE/tpl_cassiopeia.sys.ini
@@ -13,6 +13,8 @@ TPL_CASSIOPEIA_POSITION_BOTTOM-A="Unten-a"
 TPL_CASSIOPEIA_POSITION_BOTTOM-B="Unten-b"
 TPL_CASSIOPEIA_POSITION_BREADCRUMBS="Navigationspfad"
 TPL_CASSIOPEIA_POSITION_DEBUG="Debug"
+TPL_CASSIOPEIA_POSITION_ERROR-403="Fehler 403"
+TPL_CASSIOPEIA_POSITION_ERROR-404="Fehler 404"
 TPL_CASSIOPEIA_POSITION_FOOTER="Fußzeile"
 TPL_CASSIOPEIA_POSITION_MAIN-BOTTOM="Haupt-unten"
 TPL_CASSIOPEIA_POSITION_MAIN-TOP="Haupt-oben"