diff --git a/sys/netinet/ip_input.c b/sys/netinet/ip_input.c
index 943254515e9f..a360b4f8228e 100644
--- a/sys/netinet/ip_input.c
+++ b/sys/netinet/ip_input.c
@@ -668,7 +668,7 @@ found:
 		 */
 		if (mff || ip->ip_off) {
 			ipstat.ips_fragments++;
-			m->m_pkthdr.header = (caddr_t)ip;
+			m->m_pkthdr.header = ip;
 #ifdef IPDIVERT
 			m = ip_reass(m,
 			    fp, &ipq[sum], &divert_info, &divert_cookie);
diff --git a/sys/sys/mbuf.h b/sys/sys/mbuf.h
index d59ab541796e..e2945686e778 100644
--- a/sys/sys/mbuf.h
+++ b/sys/sys/mbuf.h
@@ -92,7 +92,7 @@ struct pkthdr {
 	struct	ifnet *rcvif;		/* rcv interface */
 	int	len;			/* total packet length */
 	/* variables for ip and tcp reassembly */
-	caddr_t	header;			/* pointer to packet header */
+	void	*header;		/* pointer to packet header */
 	/* variables for hardware checksum */
 	int	csum_flags;		/* flags regarding checksum */
 	int	csum_data;		/* data field used by csum routines */