1 files changed, 1 insertions, 0 deletions

diff --git a/mfd/bi_dns.m4 b/mfd/bi_dns.m4
index a3a6ef13..6d071e7e 100644
--- a/mfd/bi_dns.m4
+++ b/mfd/bi_dns.m4
@@ -128,12 +128,13 @@ MF_DEFUN(dns_getname, STRING, STRING ipstr)
 
                 for (ncount = 0; ncount < NELEMS(names) && names[ncount];
                      ncount++);
                 
                 qsort(names, ncount, sizeof names[0], hostname_cmp);
 
+                MF_OBSTACK_BEGIN();
                 for (i = 0; i < ncount; i++) {
                         if (i > 0)
                                 MF_OBSTACK_1GROW(' ');
                         MF_OBSTACK_GROW(names[i]);
                 }
                 MF_OBSTACK_1GROW(0);