diff -r 24137d2be956 -r d699d23a6e1d hedgewars/GSHandlers.inc
--- a/hedgewars/GSHandlers.inc	Fri Nov 12 16:00:28 2010 -0500
+++ b/hedgewars/GSHandlers.inc	Fri Nov 12 16:06:06 2010 -0500
@@ -318,7 +318,7 @@
     if Gear^.AdvBounce > 1 then dec(Gear^.AdvBounce);
 
     if isFalling then Gear^.dY := Gear^.dY + cGravity;
-    if (GameFlags and gfMoreWind) <> 0 then Gear^.dX := Gear^.dX + cWindSpeed * _4 / HHGear^.Radius;
+    if (GameFlags and gfMoreWind) <> 0 then Gear^.dX := Gear^.dX + cWindSpeed * _4 / Gear^.Radius;
 
     Gear^.X := Gear^.X + Gear^.dX;
     Gear^.Y := Gear^.Y + Gear^.dY;