diff --git a/kernel-module/xt_RTPENGINE.c b/kernel-module/xt_RTPENGINE.c
index 8d746e318..a37dd4035 100644
--- a/kernel-module/xt_RTPENGINE.c
+++ b/kernel-module/xt_RTPENGINE.c
@@ -3452,7 +3452,8 @@ static int send_proxy_packet6(struct sk_buff *skb, struct re_address *src, struc
 
 	skb->protocol = htons(ETH_P_IPV6);
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(5,9,9) || \
-		(LINUX_VERSION_CODE >= KERNEL_VERSION(5,4,78) && LINUX_VERSION_CODE < KERNEL_VERSION(5,5,0))
+		(LINUX_VERSION_CODE >= KERNEL_VERSION(5,4,78) && LINUX_VERSION_CODE < KERNEL_VERSION(5,5,0)) \
+		(LINUX_VERSION_CODE >= KERNEL_VERSION(4,19,158) && LINUX_VERSION_CODE < KERNEL_VERSION(4,20,0))
 	if (ip6_route_me_harder(par->state->net, par->state->sk, skb))
 #elif LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0)
 	if (ip6_route_me_harder(par->state->net, skb))