diff --git a/cpu/native/net/wpcap-drv.c b/cpu/native/net/wpcap-drv.c
index e447ed84c..bbba1bdf4 100644
--- a/cpu/native/net/wpcap-drv.c
+++ b/cpu/native/net/wpcap-drv.c
@@ -28,7 +28,6 @@
  *
  * This file is part of the Contiki operating system.
  *
- * @(#)$Id: wpcap-drv.c,v 1.7 2010/10/19 18:29:04 adamdunkels Exp $
  */
 
 #include "contiki-net.h"
@@ -86,7 +85,7 @@ pollhandler(void)
   if(uip_len > 0) {
 #if UIP_CONF_IPV6
     if(BUF->type == uip_htons(UIP_ETHTYPE_IPV6)) {
-      printf("wpcap poll calls tcpip");
+//     printf("wpcap poll calls tcpip");
       tcpip_input();
     } else
 #endif /* UIP_CONF_IPV6 */
diff --git a/cpu/native/net/wpcap.c b/cpu/native/net/wpcap.c
index b289322fb..6daf737ec 100644
--- a/cpu/native/net/wpcap.c
+++ b/cpu/native/net/wpcap.c
@@ -167,6 +167,10 @@ static struct pcap *(* pcap_open_live)(char *, int, int, int, char *);
 static int (* pcap_next_ex)(struct pcap *, struct pcap_pkthdr **, unsigned char **);
 static int (* pcap_sendpacket)(struct pcap *, unsigned char *, int);
 
+#define UIP_IP_BUF        ((struct uip_ip_hdr *)&uip_buf[UIP_LLH_LEN])
+#define BUF ((struct uip_eth_hdr *)&uip_buf[0])
+#define IPBUF ((struct uip_tcpip_hdr *)&uip_buf[UIP_LLH_LEN])
+
 #ifdef UIP_FALLBACK_INTERFACE
 static struct pcap *pfall;
 struct in_addr addrfall;
@@ -183,14 +187,9 @@ init(void)
 /*---------------------------------------------------------------------------*/
 u8_t wfall_send(uip_lladdr_t *lladdr);
 #if FALLBACK_HAS_ETHERNET_HEADERS
-#define UIP_IP_BUF        ((struct uip_ip_hdr *)&uip_buf[UIP_LLH_LEN])
-#define BUF ((struct uip_eth_hdr *)&uip_buf[0])
+#undef IPBUF
 #define IPBUF ((struct uip_tcpip_hdr *)&uip_buf[14])
 static uip_ipaddr_t last_sender;
-#else
-#define UIP_IP_BUF        ((struct uip_ip_hdr *)&uip_buf[UIP_LLH_LEN])
-#define BUF ((struct uip_eth_hdr *)&uip_buf[0])
-#define IPBUF ((struct uip_tcpip_hdr *)&uip_buf[UIP_LLH_LEN])
 #endif
 
 static void
@@ -375,6 +374,8 @@ init_pcap(struct in_addr addr)
             }
 #ifdef UIP_FALLBACK_INTERFACE
 			log_message("init_pcap:      Opened as primary interface","");
+#else
+			log_message("init_pcap:      Opened as interface","");
 #endif
 //          pcap_setdirection(PCAP_D_IN);  //Not implemented in windows yet?
 			set_ethaddr(addr);