diff --git a/lib/udf/libudf.sym b/lib/udf/libudf.sym
index 64b64590..5966e977 100644
--- a/lib/udf/libudf.sym
+++ b/lib/udf/libudf.sym
@@ -9,5 +9,7 @@ VSD_STD_ID_NSR03
 VSD_STD_ID_TEA01
 udf_close
 udf_file_free
+udf_get_next
+udf_get_sub
 udf_open
 udf_read_sectors