diff --git a/include/netfilter.mk b/include/netfilter.mk
index 8f57839c81..66c9eefd88 100644
--- a/include/netfilter.mk
+++ b/include/netfilter.mk
@@ -53,7 +53,9 @@ $(eval $(call nf_add,IPT_CORE,CONFIG_IP_NF_TARGET_REJECT, $(P_V4)ipt_REJECT))
 $(eval $(if $(NF_KMOD),$(call nf_add,IPT_CONNTRACK,CONFIG_NF_CONNTRACK, $(P_XT)nf_conntrack),))
 $(eval $(if $(NF_KMOD),$(call nf_add,IPT_CONNTRACK,CONFIG_IP_NF_CONNTRACK, $(P_V4)ip_conntrack),))
 $(eval $(if $(NF_KMOD),$(call nf_add,IPT_CONNTRACK,CONFIG_NF_DEFRAG_IPV4, $(P_V4)nf_defrag_ipv4),))
+$(eval $(if $(NF_KMOD),$(call nf_add,IPT_CONNTRACK,CONFIG_NF_DEFRAG_IPV6, $(P_V6)nf_defrag_ipv6),))
 $(eval $(if $(NF_KMOD),$(call nf_add,IPT_CONNTRACK,CONFIG_NF_CONNTRACK_IPV4, $(P_V4)nf_conntrack_ipv4),))
+$(eval $(if $(NF_KMOD),$(call nf_add,IPT_CONNTRACK,CONFIG_NF_CONNTRACK_IPV6, $(P_V6)nf_conntrack_ipv6),))
 
 $(eval $(call nf_add,IPT_CONNTRACK,CONFIG_IP_NF_MATCH_STATE, $(P_V4)ipt_state))
 $(eval $(call nf_add,IPT_CONNTRACK,CONFIG_NETFILTER_XT_MATCH_STATE, $(P_XT)xt_state))