diff --git a/binary.cc b/binary.cc
index 119b1ec5..6be9ed39 100644
--- a/binary.cc
+++ b/binary.cc
@@ -11,7 +11,7 @@
 namespace ledger {
 
 static unsigned long  binary_magic_number = 0xFFEED765;
-static unsigned long  format_version      = 0x00020044;
+static unsigned long  format_version      = 0x00020500;
 
 static account_t **   accounts;
 static account_t **   accounts_next;