diff --git a/devel/schemata b/devel/schemata
index 9cb25f59..e44da717 100644
--- a/devel/schemata
+++ b/devel/schemata
@@ -79,6 +79,7 @@ headers = {
     To?:            string,
     Cc?:            string,
     Bcc?:           string,
+    Reply-To?:      string,
     Date:           string
 }