diff --git a/networking/udhcp/packet.c b/networking/udhcp/packet.c
index 6d43752..5137464 100644
--- a/networking/udhcp/packet.c
+++ b/networking/udhcp/packet.c
@@ -164,14 +164,14 @@
 	packet.udp.len = htons(UDP_DHCP_SIZE - padding);
 	/* for UDP checksumming, ip.len is set to UDP packet len */
 	packet.ip.tot_len = packet.udp.len;
-	packet.udp.check = inet_cksum((uint16_t *)&packet,
+	packet.udp.check = inet_cksum(&packet,
 			IP_UDP_DHCP_SIZE - padding);
 	/* but for sending, it is set to IP packet len */
 	packet.ip.tot_len = htons(IP_UDP_DHCP_SIZE - padding);
 	packet.ip.ihl = sizeof(packet.ip) >> 2;
 	packet.ip.version = IPVERSION;
 	packet.ip.ttl = IPDEFTTL;
-	packet.ip.check = inet_cksum((uint16_t *)&packet.ip, sizeof(packet.ip));
+	packet.ip.check = inet_cksum(&packet.ip, sizeof(packet.ip));
 
 	udhcp_dump_packet(dhcp_pkt);
 	result = sendto(fd, &packet, IP_UDP_DHCP_SIZE - padding, /*flags:*/ 0,