--- a/hedgewars/HHHandlers.inc	Sun Nov 27 19:34:08 2011 +0300
+++ b/hedgewars/HHHandlers.inc	Sun Nov 27 23:13:22 2011 +0300
@@ -1129,7 +1129,7 @@
     end;
 if (Gear^.Message and (gmAllStoppable or gmLJump or gmHJump) = 0) and
    (Gear^.State and (gstHHJumping or gstHHHJump or gstAttacking) = 0) and
-   not Gear^.dY.isNegative and
+   (not Gear^.dY.isNegative) and
    (GameTicks mod (100*LongWOrd(hwRound(cMaxWindSpeed*2/cGravity))) = 0) and
    (TestCollisionYwithGear(Gear, 1) and lfIce <> 0) then
     begin