diff --git a/src/sbin/opnsense-installer b/src/sbin/opnsense-installer
index 739c3b9cb..6803c628a 100755
--- a/src/sbin/opnsense-installer
+++ b/src/sbin/opnsense-installer
@@ -33,7 +33,7 @@ sysctl kern.geom.debugflags=16 >/dev/null
 sysctl net.link.ether.inet.log_arp_wrong_iface=0 >/dev/null
 
 ifconfig lo0 127.0.0.1
-ifconfig lo0 ::1
+ifconfig lo0 inet6 ::1
 ifconfig lo0 up
 
 if [ -z "${TERM}" ]; then