diff --git a/src/proxyresolv b/src/proxyresolv
index eccf882..e1674b4 100755
--- a/src/proxyresolv
+++ b/src/proxyresolv
@@ -3,13 +3,12 @@
 
 # DNS server used to resolve names
 
-if [[ -z "$PROXY_DNS_SERVER" ]] ; then
+if [ -z "$PROXY_DNS_SERVER" ] ; then
     DNS_SERVER=208.67.222.222   # OpenDNS
 else
     DNS_SERVER=$PROXY_DNS_SERVER
 fi
 
-
 if [ $# = 0 ] ; then
 	echo "	usage:"
 	echo "		proxyresolv <hostname> "
@@ -17,7 +16,7 @@ if [ $# = 0 ] ; then
 fi
 
 awk 'BEGIN{ARGC=0} {for(i=2;i<=NF;i++){if($i==ARGV[1] && $1!~":"){print $1;found=1}} } END{exit found?0:1}' "$1" </etc/hosts
-if [[ "$?" -eq "0" ]]; then
+if [ "$?" -eq "0" ]; then
         exit
 fi