diff --git a/bin/conf/tap.cfg b/bin/conf/tap.cfg
index 48bee19..4bc218a 100644
--- a/bin/conf/tap.cfg
+++ b/bin/conf/tap.cfg
@@ -1,5 +1,6 @@
 [local]
 name=NFK
+prefix=CD
 currency=USD
 utc_offset=+1200
 tap_path=/opt
diff --git a/bin/tapcvt b/bin/tapcvt
index 9b6c5b1..67aab2a 100644
Binary files a/bin/tapcvt and b/bin/tapcvt differ