diff --git a/packages/ssf/bits/98_exports.js b/packages/ssf/bits/98_exports.js
index bb3dd02..1829d7c 100644
--- a/packages/ssf/bits/98_exports.js
+++ b/packages/ssf/bits/98_exports.js
@@ -6,3 +6,4 @@ SSF.load_table = function load_table(tbl/*:SSFTable*/)/*:void*/ {
 };
 SSF.init_table = init_table;
 SSF.format = format;
+SSF.choose_format = choose_fmt;