diff --git a/ipv6/radvd/Makefile b/ipv6/radvd/Makefile
index a2ec0bc0f..ee95baba4 100644
--- a/ipv6/radvd/Makefile
+++ b/ipv6/radvd/Makefile
@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=radvd
 PKG_VERSION:=1.7
-PKG_RELEASE:=2
+PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=http://v6web.litech.org/radvd/dist \
diff --git a/ipv6/radvd/files/radvd.init b/ipv6/radvd/files/radvd.init
index 08cd791aa..dbbe52cc8 100644
--- a/ipv6/radvd/files/radvd.init
+++ b/ipv6/radvd/files/radvd.init
@@ -196,7 +196,11 @@ radvd_write_prefix() {
 	done
 	[ "$exist" -eq 0 ] && return 0
 
-	config_get prefixes "$cfg" prefix "::/64"
+	config_get prefixes "$cfg" prefix
+	if [ -z "$prefixes" ]; then
+		prefixes=$(get_ip6addr "$IFNAME") || return 0
+	fi
+
 	for prefix in $prefixes; do
 		validate_ip6prefix "$prefix" || continue
 		printf '\n\tprefix %s\n\t{\n' "$prefix"