layer/iterate: don't even try to minimize root

diff --git a/lib/layer/iterate.c b/lib/layer/iterate.c
index 243a2599a2d60e994fc36ed74e92236e818773d8..d0375f1cf54c239007e8b4c787ce12dc494ec69f 100644 (file)
--- a/lib/layer/iterate.c
+++ b/lib/layer/iterate.c
@@ -50,7 +50,7 @@ static const knot_dname_t *minimized_qname(struct kr_query *query, uint16_t *qty
 {
        /* Minimization disabled. */
        const knot_dname_t *qname = query->sname;
-       if (query->flags & QUERY_NO_MINIMIZE) {
+       if (qname[0] == '\0' || query->flags & QUERY_NO_MINIMIZE) {
                return qname;
        }