--- D:/Temp/openttd/1.0.1/src/network/network_command.cpp	Tue Apr 13 19:30:52 2010
+++ D:/Temp/openttd/1.0.1-fixed/src/network/network_command.cpp	Sun Jun 27 16:15:35 2010
@@ -141,6 +141,7 @@
 	for (CommandPacket *p = _local_command_queue; p != NULL; p = p->next) {
 		CommandPacket c = *p;
 		c.callback = 0;
+		c.next = NULL;
 		NetworkAddCommandQueue(c, cs);
 	}
 }