diff --git a/lib/gssapi/version-script.map b/lib/gssapi/version-script.map
index 1af07089e..029a84a92 100644
--- a/lib/gssapi/version-script.map
+++ b/lib/gssapi/version-script.map
@@ -86,6 +86,12 @@ HEIMDAL_GSS_1.0 {
 		gss_krb5_export_lucid_sec_context;
 		gss_krb5_free_lucid_sec_context;
 		gss_krb5_set_allowable_enctypes;
+
+		# _gsskrb5cfx_ are really internal symbols, but export
+		# then now to make testing easier.
+		_gsskrb5cfx_max_wrap_length_cfx;
+		_gsskrb5cfx_wrap_length_cfx;
+
 	local:
 		*;
 };