diff --git a/src/table/control_codes.h b/src/table/control_codes.h
--- a/src/table/control_codes.h
+++ b/src/table/control_codes.h
@@ -53,6 +53,7 @@ enum StringControlCode {
 	SCC_DATE_TINY,
 	SCC_DATE_SHORT,
 	SCC_DATE_LONG,
+	SCC_DATE_ISO,
 
 	SCC_STRING1,
 	SCC_STRING2,