diff --git a/sys/contrib/ipfilter/netinet/mlfk_ipl.c b/sys/contrib/ipfilter/netinet/mlfk_ipl.c
index 094bafb593c..837ab52c2a9 100644
--- a/sys/contrib/ipfilter/netinet/mlfk_ipl.c
+++ b/sys/contrib/ipfilter/netinet/mlfk_ipl.c
@@ -225,6 +225,10 @@ vnet_ipf_init(void)
 		""
 #endif
 		);
+	else {
+		(void)ipf_pfil_hook();
+		ipf_event_reg();
+	}	
 }
 VNET_SYSINIT(vnet_ipf_init, SI_SUB_PROTO_FIREWALL, SI_ORDER_THIRD,
     vnet_ipf_init, NULL);