diff --git a/lib/krb5/version-script.map b/lib/krb5/version-script.map
index 79691f235..bf185c0f8 100644
--- a/lib/krb5/version-script.map
+++ b/lib/krb5/version-script.map
@@ -588,6 +588,7 @@ HEIMDAL_KRB5_2.0 {
 		krb5_storage_set_eof_code;
 		krb5_storage_set_flags;
 		krb5_storage_to_data;
+		krb5_storage_truncate;
 		krb5_storage_write;
 		krb5_store_address;
 		krb5_store_addrs;