diff --git a/UI/MailPartViewers/English.lproj/Localizable.strings b/UI/MailPartViewers/English.lproj/Localizable.strings
index 9c7527c1c..6daeb0dff 100644
--- a/UI/MailPartViewers/English.lproj/Localizable.strings
+++ b/UI/MailPartViewers/English.lproj/Localizable.strings
@@ -36,4 +36,7 @@ reply_info = "This is a reply to an event invitation done by you.";
 "Digital signature is not valid" = "Digital signature is not valid";
 "Message is signed" = "Message is signed";
 "Subject" = "Subject";
+"From" = "From";
+"Date" = "Date";
+"To" = "To";
 "Issuer" = "Issuer";
diff --git a/UI/MailPartViewers/French.lproj/Localizable.strings b/UI/MailPartViewers/French.lproj/Localizable.strings
index 0751304e1..158c4d629 100644
--- a/UI/MailPartViewers/French.lproj/Localizable.strings
+++ b/UI/MailPartViewers/French.lproj/Localizable.strings
@@ -36,4 +36,7 @@ reply_info = "Ceci est une réponse à un événement que vous avez organisé.";
 "Digital signature is not valid" = "Signature digitale non-valide";
 "Message is signed" = "Message signé";
 "Subject" = "Sujet";
+"From" = "Expéditeur";
+"Date" = "Date";
+"To" = "Destinataire";
 "Issuer" = "Émetteur";