diff -r 0097855532f6 -r 6c87486fd89b hedgewars/uCollisions.pas
--- a/hedgewars/uCollisions.pas	Sun Mar 17 10:25:19 2013 -0400
+++ b/hedgewars/uCollisions.pas	Sun Mar 17 14:09:54 2013 -0400
@@ -139,7 +139,7 @@
 var x, y, i: LongInt;
 begin
 // Special case to emulate the old intersect gear clearing, but with a bit of slop for pixel overlap
-if (Gear^.CollisionMask = $FF7F) and (Gear^.Kind <> gtHedgehog) and (Gear^.Hedgehog <> nil) and (Gear^.Hedgehog^.Gear <> nil) and
+if (Gear^.CollisionMask = lfCurrentMask) and (Gear^.Kind <> gtHedgehog) and (Gear^.Hedgehog <> nil) and (Gear^.Hedgehog^.Gear <> nil) and
     ((hwRound(Gear^.Hedgehog^.Gear^.X) + Gear^.Hedgehog^.Gear^.Radius + 16 < hwRound(Gear^.X) - Gear^.Radius) or
      (hwRound(Gear^.Hedgehog^.Gear^.X) - Gear^.Hedgehog^.Gear^.Radius - 16 > hwRound(Gear^.X) + Gear^.Radius)) then
     Gear^.CollisionMask:= $FFFF;
@@ -169,7 +169,7 @@
 var x, y, i: LongInt;
 begin
 // Special case to emulate the old intersect gear clearing, but with a bit of slop for pixel overlap
-if (Gear^.CollisionMask = $FF7F) and (Gear^.Kind <> gtHedgehog) and (Gear^.Hedgehog <> nil) and (Gear^.Hedgehog^.Gear <> nil) and
+if (Gear^.CollisionMask = lfCurrentMask) and (Gear^.Kind <> gtHedgehog) and (Gear^.Hedgehog <> nil) and (Gear^.Hedgehog^.Gear <> nil) and
     ((hwRound(Gear^.Hedgehog^.Gear^.Y) + Gear^.Hedgehog^.Gear^.Radius + 16 < hwRound(Gear^.Y) - Gear^.Radius) or
      (hwRound(Gear^.Hedgehog^.Gear^.Y) - Gear^.Hedgehog^.Gear^.Radius - 16 > hwRound(Gear^.Y) + Gear^.Radius)) then
     Gear^.CollisionMask:= $FFFF;