diff --git a/package/network/services/dnsmasq/Makefile b/package/network/services/dnsmasq/Makefile
index de0237b314f..89799eec6b0 100644
--- a/package/network/services/dnsmasq/Makefile
+++ b/package/network/services/dnsmasq/Makefile
@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=dnsmasq
 PKG_VERSION:=2.75
-PKG_RELEASE:=4
+PKG_RELEASE:=5
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
 PKG_SOURCE_URL:=http://thekelleys.org.uk/dnsmasq
diff --git a/package/network/services/dnsmasq/files/dnsmasq.init b/package/network/services/dnsmasq/files/dnsmasq.init
index efc96273a2f..db342e7c8eb 100644
--- a/package/network/services/dnsmasq/files/dnsmasq.init
+++ b/package/network/services/dnsmasq/files/dnsmasq.init
@@ -609,11 +609,11 @@ start_service() {
 			dhcp_domain_add "" "$hostname" "$lanaddr"
 		}
 
-		network_get_ipaddrs6 lanaddr6 "lan" && {
+		[ -n "$ulaprefix" ] && network_get_ipaddrs6 lanaddr6 "lan" && {
 			for lanaddr6 in $lanaddr6; do
 				case "$lanaddr6" in
 					"${ulaprefix%%:/*}"*)
-						dhcp_domain_add "" "$hostname" "${ulaprefix%%/*}1"
+						dhcp_domain_add "" "$hostname" "$lanaddr6"
 					;;
 				esac
 			done