diff --git a/i18n/ja.toml b/i18n/ja.toml
index 61f802b84d4..a80eac684f2 100644
--- a/i18n/ja.toml
+++ b/i18n/ja.toml
@@ -186,3 +186,6 @@ other = "次の項目"
 
 [warning]
 other = "警告:"
+
+[input_placeholder_email_address]
+other = "メールアドレス"