--- a/hedgewars/uGears.pas	Sun Oct 10 20:34:48 2010 -0400
+++ b/hedgewars/uGears.pas	Sun Oct 10 21:14:58 2010 -0400
@@ -854,6 +854,7 @@
         CurrentHedgehog^.Gear^.State:= CurrentHedgehog^.Gear^.State and not gstAttacked;
     if delay2 = 0 then
         begin
+        SweepDirty;
         CheckNoDamage;
         CheckForWin
         end