--- /usr/lib/avahi/avahi-daemon-check-dns.sh.old	2008-01-17 18:17:42.000000000 +0100
+++ /usr/lib/avahi/avahi-daemon-check-dns.sh	2008-03-10 18:05:10.000000000 +0100
@@ -45,7 +45,7 @@
 
 dns_has_local() { 
   # Some magic to do tests 
-  if [ -n ${FAKE_HOST_RETURN} ] ; then
+  if [ -n "${FAKE_HOST_RETURN}" ] ; then
     if [ "${FAKE_HOST_RETURN}" = "true" ]; then
       return 0;
     else