diff --git a/core/net/uip-fw.c b/core/net/uip-fw.c
index f9a0fe7b7..c87e55fd5 100644
--- a/core/net/uip-fw.c
+++ b/core/net/uip-fw.c
@@ -30,7 +30,7 @@
  *
  * Author: Adam Dunkels <adam@sics.se>
  *
- * $Id: uip-fw.c,v 1.10 2008/02/07 01:33:47 adamdunkels Exp $
+ * $Id: uip-fw.c,v 1.11 2008/02/08 09:12:57 nifi Exp $
  */
 /**
  * \addtogroup uip
@@ -421,7 +421,7 @@ uip_fw_forward(void)
   /* If we use ping IP address configuration, and our IP address is
      not yet configured, we should intercept all ICMP echo packets. */
 #if UIP_PINGADDRCONF
-  if(uip_ipaddr_cmp(&uip_hostaddr, &all_zeroes_addr) &&
+  if(uip_ipaddr_cmp(&uip_hostaddr, &uip_all_zeroes_addr) &&
      BUF->proto == UIP_PROTO_ICMP &&
      ICMPBUF->type == ICMP_ECHO) {
     return UIP_FW_LOCAL;