--- deliantra/server/server/spell_effect.C	2010/01/30 23:30:26	1.117
+++ deliantra/server/server/spell_effect.C	2010/02/07 04:22:33	1.118
@@ -1547,7 +1547,8 @@
   if (!skill)
     skill = caster;
 
-  unordered_mapwalk (op, -range, -range, range, range)
+  dynbuf buf;
+  unordered_mapwalk (buf, op, -range, -range, range, range)
     {
       /* For most of the detections, we only detect objects above the
        * floor.  But this is not true for show invisible.