diff --git a/modoboa/locale/ja_JP/LC_MESSAGES/django.po b/modoboa/locale/ja_JP/LC_MESSAGES/django.po
index 1ab6b5e21..4f0f40289 100644
--- a/modoboa/locale/ja_JP/LC_MESSAGES/django.po
+++ b/modoboa/locale/ja_JP/LC_MESSAGES/django.po
@@ -1094,7 +1094,7 @@ msgstr "最終ログイン"
 
 #: admin/templates/admin/account_detail.html:38 core/models.py:87
 msgid "Secondary email"
-msgstr "別のメール"
+msgstr "別のメールアドレス"
 
 #: admin/templates/admin/account_detail.html:38
 #: admin/templates/admin/account_detail.html:41