diff --git a/sys/netinet/ip_fw2.c b/sys/netinet/ip_fw2.c
index e7d1405ca238..d2a802567014 100644
--- a/sys/netinet/ip_fw2.c
+++ b/sys/netinet/ip_fw2.c
@@ -72,6 +72,7 @@
 #include <netinet/ip_fw.h>
 #include <netinet/ip_divert.h>
 #include <netinet/ip_dummynet.h>
+#include <netinet/pim.h>
 #include <netinet/tcp.h>
 #include <netinet/tcp_timer.h>
 #include <netinet/tcp_var.h>
@@ -2263,6 +2264,11 @@ do {									\
 				PULLUP_TO(hlen, ulp, struct ip6_ext);
 				break;
 
+			case IPPROTO_PIM:
+				/* XXX PIM header check? */
+				PULLUP_TO(hlen, ulp, struct pim);
+				break;
+
 			case IPPROTO_IPV6:	/* RFC 2893 */
 				PULLUP_TO(hlen, ulp, struct ip6_hdr);
 				break;