diff -Naur cyrus-imapd-2.2.13.old/imap/backend.c cyrus-imapd-2.2.13/imap/backend.c
--- cyrus-imapd-2.2.13.old/imap/backend.c	2006-02-07 22:57:27 +0200
+++ cyrus-imapd-2.2.13/imap/backend.c	2006-10-06 07:59:45 +0300
@@ -338,7 +338,7 @@
 	if (sock < 0)
 	    continue;
         /* Bind to local interface. */
-        if (!err) {
+        if (!err && res1) {
             if (bind(sock, res1->ai_addr, res1->ai_addrlen) < 0) {
                 struct sockaddr_in *local_sockaddr = (struct sockaddr_in *) res1->ai_addr;
                 syslog(LOG_ERR, "failed to bind to address %s: %s",