diff --git a/fid_bbi/languages/de.ini b/fid_bbi/languages/de.ini
index 699fee2ec0d5e9a9f9dc596c4cbba05f1a5a877b..6600e664998e49d9f67d47b73c60595befc6b4e8 100644
--- a/fid_bbi/languages/de.ini
+++ b/fid_bbi/languages/de.ini
@@ -586,7 +586,8 @@ Unknown = Unbekannt
 unknown = unbekannt
 Unspecified identifier type = Nicht spezifizierter Bezeichner
 User PINs do not match = "Ihre angegebenen Benutzer PINs stimmen nicht überein"
-Username = Benutzernummer
+# cf. #15230
+Username = E-Mail-Adresse
 User-Registration = Nutzeranmeldung
 Valid until = "Ablaufdatum der Karte"
 Varying Forms = "Titelvarianten"
diff --git a/fid_bbi/languages/en.ini b/fid_bbi/languages/en.ini
index 6bbae5bedbb78b346ee072f5ebcd7e73117b6c0e..68f5b976641409c062d29df7ad487717aec9914c 100644
--- a/fid_bbi/languages/en.ini
+++ b/fid_bbi/languages/en.ini
@@ -263,7 +263,8 @@ Topics = Topics
 # Turkish = Türkçe
 Turkish = Turkish
 Unknown = Unknown
-Username = "User ID"
+# cf. #15230
+Username = "E-Mail address"
 Username cannot be blank = "User name cannot be blank"
 Valid until = "Card valid until"
 VHS = VHS