--- deliantra/server/common/los.C	2008/12/21 23:29:27	1.45
+++ deliantra/server/common/los.C	2008/12/23 00:39:48	1.46
@@ -492,9 +492,8 @@
 void
 update_all_map_los (maptile *map)
 {
-  for_all_players (pl)
-    if (pl->ob && pl->ob->map == map)
-      pl->do_los = 1;
+  for_all_players_on_map (pl, map)
+    pl->do_los = 1;
 }
 
 /*
@@ -512,6 +511,8 @@
 void
 update_all_los (const maptile *map, int x, int y)
 {
+  map->at (x, y).invalidate ();
+
   for_all_players (pl)
     {
       /* Player should not have a null map, but do this