diff --git a/ip/iptunnel.c b/ip/iptunnel.c
index 4275f26..43f8585 100644
--- a/ip/iptunnel.c
+++ b/ip/iptunnel.c
@@ -341,7 +341,7 @@
 	       p->iph.daddr ? format_host(AF_INET, 4, &p->iph.daddr, s1, sizeof(s1))  : "any",
 	       p->iph.saddr ? rt_addr_n2a(AF_INET, 4, &p->iph.saddr, s2, sizeof(s2)) : "any");
 
-	if (p->i_flags & SIT_ISATAP) {
+	if (p->iph.protocol == IPPROTO_IPV6 && (p->i_flags & SIT_ISATAP)) {
 		struct ip_tunnel_prl prl[16];
 		int i;