diff --git a/platform/netsim/contiki-main.c b/platform/netsim/contiki-main.c
index 35cfe5263..99f6a73b7 100644
--- a/platform/netsim/contiki-main.c
+++ b/platform/netsim/contiki-main.c
@@ -30,7 +30,7 @@
  *
  * Author: Adam Dunkels <adam@sics.se>
  *
- * $Id: contiki-main.c,v 1.1 2006/06/17 22:41:35 adamdunkels Exp $
+ * $Id: contiki-main.c,v 1.2 2006/08/14 14:01:02 bg- Exp $
  */
 
 #include "contiki.h"
@@ -158,7 +158,7 @@ contiki_main(int flag)
     process_start(&tapdev_drv_process, NULL);
     uip_fw_register(&ethernodeif);
     uip_fw_default(&tapif);
-    printf("uip_hostaddr %02x%02x\n", uip_hostaddr[0], uip_hostaddr[1]);
+    printf("uip_hostaddr %02x%02x\n", uip_hostaddr.u16[0], uip_hostaddr.u16[1]);
   } else {
     uip_fw_default(&ethernodeif);
   }
diff --git a/platform/netsim/main.c b/platform/netsim/main.c
index 368586d76..c7b9897a2 100644
--- a/platform/netsim/main.c
+++ b/platform/netsim/main.c
@@ -30,7 +30,7 @@
  *
  * Author: Adam Dunkels <adam@sics.se>
  *
- * $Id: main.c,v 1.1 2006/06/17 22:41:35 adamdunkels Exp $
+ * $Id: main.c,v 1.2 2006/08/14 14:01:02 bg- Exp $
  */
 
 /**
@@ -233,19 +233,20 @@ clock_seconds(void)
 void
 uip_log(char *m)
 {
-  u16_t addr[2];
-  uip_gethostaddr(addr);
+  uip_ipaddr_t addr;
+
+  uip_gethostaddr(&addr);
 
   printf("uIP log at %d.%d.%d.%d: %s\n",
-	 uip_ipaddr1(addr),
-	 uip_ipaddr2(addr),
-	 uip_ipaddr3(addr),
-	 uip_ipaddr4(addr),
+	 uip_ipaddr1(&addr),
+	 uip_ipaddr2(&addr),
+	 uip_ipaddr3(&addr),
+	 uip_ipaddr4(&addr),
 	 m);
   fflush(NULL);
 }
 void
-configurator_send_config(u16_t *addr, unsigned long seconds)
+configurator_send_config(uip_ipaddr_t *addr, unsigned long seconds)
 {
   printf("Configurator: address %d.%d.%d.%d, seconds %lu\n",
 	 uip_ipaddr1(addr),
diff --git a/platform/netsim/node.c b/platform/netsim/node.c
index 7870ec062..e365bbe10 100644
--- a/platform/netsim/node.c
+++ b/platform/netsim/node.c
@@ -30,7 +30,7 @@
  *
  * Author: Adam Dunkels <adam@sics.se>
  *
- * $Id: node.c,v 1.1 2006/06/17 22:41:35 adamdunkels Exp $
+ * $Id: node.c,v 1.2 2006/08/14 14:01:02 bg- Exp $
  */
 #include "node.h"
 #include "contiki.h"
@@ -50,7 +50,7 @@ static void init_node_log(void);
 void
 node_init(int id, int posx, int posy, int b)
 {
-  u16_t addr[2];
+  uip_ipaddr_t addr;
   
   node.id = id;
   node.x = posx;
@@ -58,11 +58,11 @@ node_init(int id, int posx, int posy, int b)
   node.type = NODE_TYPE_NORMAL;
 
   if(b) {
-    uip_ipaddr(addr, 192,168,250,2);
+    uip_ipaddr(&addr, 192,168,250,2);
   } else {
-    uip_ipaddr(addr, 10,10,posx,posy);
+    uip_ipaddr(&addr, 10,10,posx,posy);
   }
-  uip_sethostaddr(addr);
+  uip_sethostaddr(&addr);
 
   drift = random() % 9572627217;