diff --git a/backend/DEVELOPER b/backend/DEVELOPER
index 68ca0483..49c89d93 100644
--- a/backend/DEVELOPER
+++ b/backend/DEVELOPER
@@ -94,6 +94,7 @@ postal.c:
 	KIX Code
 	DAFT Code
 	Flattermarken
+	Korean Postal Code
 
 qr.c:
 	QR Code (libqrencode)