diff --git a/src/initscripts/system/firewall b/src/initscripts/system/firewall
index 577c10c89..48653ff57 100644
--- a/src/initscripts/system/firewall
+++ b/src/initscripts/system/firewall
@@ -7,7 +7,7 @@ eval $(/usr/local/bin/readhash /var/ipfire/ppp/settings)
 eval $(/usr/local/bin/readhash /var/ipfire/ethernet/settings)
 eval $(/usr/local/bin/readhash /var/ipfire/optionsfw/settings)
 IFACE=`/bin/cat /var/ipfire/red/iface 2> /dev/null | /usr/bin/tr -d '\012'`
-if [ -z $IFACE]; then
+if [ -z $IFACE ]; then
 	IFACE="red0"
 fi