diff -r 149416b948fc -r d4de36b3801a hedgewars/uLand.pas
--- a/hedgewars/uLand.pas	Thu Jun 24 01:08:57 2010 +0200
+++ b/hedgewars/uLand.pas	Sat Jun 26 04:36:04 2010 +0200
@@ -1220,6 +1220,10 @@
 
     LoadThemeConfig;
     isMap:= false;
+    
+    if ((GameFlags and gfForts) <> 0) or (Pathz[ptMapCurrent] <> '') then
+        FillChar(Land,SizeOf(TCollisionArray),0);
+        
     if (GameFlags and gfForts) = 0 then
         if Pathz[ptMapCurrent] <> '' then
             LoadMap