diff --git a/data/iban_meta.yml b/data/iban_meta.yml
index c90b1b1..d3ddd1a 100644
--- a/data/iban_meta.yml
+++ b/data/iban_meta.yml
@@ -119,7 +119,7 @@ MC:
   parts: (?<iban_check>\d{2}) (?<bank>\d{5})         (?<branch>\d{5})         (?<account>[A-Z0-9]{11}) (?<check>\d{2})
   tags: sepa
 MD:
-  parts: (?<iban_check>\d{2}) (?<bank>\d{2})         (?<account>[A-Z0-9]{18})
+  parts: (?<iban_check>\d{2}) (?<bank>[A-Z0-9]{2})         (?<account>[A-Z0-9]{18})
   tags:
 ME:
   parts: (?<iban_check>\d{2}) (?<bank>\d{3})         (?<account>\d{12})       (?<check>\d{2})