diff --git a/libexec/rc/rc.conf b/libexec/rc/rc.conf
index b27e1154a5e7..c6f1218ed98d 100644
--- a/libexec/rc/rc.conf
+++ b/libexec/rc/rc.conf
@@ -521,10 +521,10 @@ route6d_flags=""		# Flags to IPv6 routing daemon.
 ipv6_default_interface="NO"	# Default output interface for scoped addrs.
 				# This works only with
 				# ipv6_gateway_enable="NO".
-rtsol_flags=""			# Flags to IPv6 router solicitation.
+rtsol_flags="-i"		# Flags to IPv6 router solicitation.
 rtsold_enable="NO"		# Set to YES to enable an IPv6 router
 				# solicitation daemon.
-rtsold_flags="-a"		# Flags to an IPv6 router solicitation
+rtsold_flags="-a -i"		# Flags to an IPv6 router solicitation
 				# daemon.
 rtadvd_enable="NO"		# Set to YES to enable an IPv6 router
 				# advertisement daemon. If set to YES,