Index: /trunk/src/VBox/Devices/Network/slirp/bootp.c
===================================================================
--- /trunk/src/VBox/Devices/Network/slirp/bootp.c	(revision 19850)
+++ /trunk/src/VBox/Devices/Network/slirp/bootp.c	(revision 19851)
@@ -245,5 +245,5 @@
 
     /* Address/port of the DHCP server. */
-#ifndef VBOX_WITHOUT_SLIRP_CLIENT_ETHER
+#ifndef VBOX_WITH_NAT_SERVICE
     saddr.sin_addr.s_addr = htonl(ntohl(special_addr.s_addr) | CTL_ALIAS);
 #else