diff --git a/CHANGELOG b/CHANGELOG
index 2de505e..42f7f73 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -45,7 +45,11 @@ version 2.64
 	    subnet, --dhcp-range=::,static Useful for Stateless 
 	    DHCPv6. Thanks to Vladislav Grishenko for the patch.
 
+	    Don't include lease-time in DHCPACK replies to DHCPINFORM
+	    queries, since RFC-2131 says we shouldn't. Thanks to
+	    Wouter Ibens for pointing this out.  
 	    
+
 version 2.63
             Do duplicate dhcp-host address check in --test mode.
 
diff --git a/src/rfc2131.c b/src/rfc2131.c
index 250b1ab..9816e29 100644
--- a/src/rfc2131.c
+++ b/src/rfc2131.c
@@ -1387,6 +1387,7 @@ size_t dhcp_reply(struct dhcp_context *context, char *iface_name, int int_index,
       
       if (lease)
 	{
+	  lease_set_interface(lease, int_index, now);
 	  if (override.s_addr != 0)
 	    lease->override = override;
 	  else
@@ -1397,16 +1398,6 @@ size_t dhcp_reply(struct dhcp_context *context, char *iface_name, int int_index,
       option_put(mess, end, OPTION_MESSAGE_TYPE, 1, DHCPACK);
       option_put(mess, end, OPTION_SERVER_IDENTIFIER, INADDRSZ, ntohl(server_id(context, override, fallback).s_addr));
       
-      if (lease)
-	{
-	  if (lease->expires == 0)
-	    time = 0xffffffff;
-	  else
-	    time = (unsigned int)difftime(lease->expires, now);
-	  option_put(mess, end, OPTION_LEASE_TIME, 4, time);
-	  lease_set_interface(lease, int_index, now);
-	}
-
       do_options(context, mess, end, req_options, hostname, get_domain(mess->ciaddr),
 		 netid, subnet_addr, fqdn_flags, borken_opt, pxearch, uuid, vendor_class_len, now);