diff --git a/base/version-script.map b/base/version-script.map
index 007052bae..e0b97340f 100644
--- a/base/version-script.map
+++ b/base/version-script.map
@@ -23,6 +23,10 @@ HEIMDAL_BASE_1.0 {
 		heim_string_create;
 		heim_string_get_utf8;
 		heim_number_create;
+		heim_error_append;
+		heim_error_createv;
+		heim_error_get_code;
+		heim_error_copy_string;
 	local:
 		*;
 };