diff --git a/dhcp.c b/dhcp.c
index 2e391b1..cff9403 100644
--- a/dhcp.c
+++ b/dhcp.c
@@ -43,11 +43,11 @@ struct opt {
 };
 
 static struct opt opts[255] = {
-	[1]  = { 0, 4, {  0 }, 0, { 0 }, },	/* Subnet mask */
-	[3]  = { 0, 4, {  0 }, 0, { 0 }, },	/* Router */
-	[6]  = { 0, 4, {  0 }, 0, { 0 }, },	/* DNS */
-	[51] = { 0, 4, { 60 }, 0, { 0 }, },	/* Lease time */
-	[53] = { 0, 1, {  0 }, 0, { 0 }, },	/* Message type */
+	[1]  = { 0, 4, {                      0 }, 0, { 0 }, },	/* Mask */
+	[3]  = { 0, 4, {                      0 }, 0, { 0 }, },	/* Router */
+	[6]  = { 0, 4, {                      0 }, 0, { 0 }, },	/* DNS */
+	[51] = { 0, 4, { 0xff, 0xff, 0xff, 0xff }, 0, { 0 }, },	/* Lease time */
+	[53] = { 0, 1, {                      0 }, 0, { 0 }, },	/* Type */
 #define DHCPDISCOVER	1
 #define DHCPOFFER	2
 #define DHCPREQUEST	3