--- a/src/network/network_gamelist.cpp	Wed Apr 16 22:16:04 2008 +0000
+++ b/src/network/network_gamelist.cpp	Wed Apr 16 22:34:14 2008 +0000
@@ -25,6 +25,8 @@
  * @return a point to the newly added or already existing item */
 NetworkGameList *NetworkGameListAddItem(uint32 ip, uint16 port)
 {
+	if (ip == 0) return NULL;
+
 	NetworkGameList *item, *prev_item;
 
 	prev_item = NULL;