Index: apps/app_queue.c
===================================================================
--- apps/app_queue.c    (revision 22900)
+++ apps/app_queue.c    (working copy)
@@ -2899,7 +2899,7 @@
        queuetimeoutstr = info_ptr;
 
        /* set the expire time based on the supplied timeout; */
-       if (queuetimeoutstr)
+       if (queuetimeoutstr && (queuetimeoutstr[0] != '\0'))
                qe.expire = qe.start + atoi(queuetimeoutstr);
        else
                qe.expire = 0;