diff -r f7a199346c3e -r 7705784902e1 hedgewars/uCollisions.pas
--- a/hedgewars/uCollisions.pas	Sun Nov 09 23:02:21 2014 +0300
+++ b/hedgewars/uCollisions.pas	Tue Nov 18 23:39:30 2014 +0300
@@ -117,7 +117,7 @@
 function CheckCoordInWater(X, Y: LongInt): boolean; inline;
 begin
     CheckCoordInWater:= (Y > cWaterLine)
-        or ((WorldEdge = weSea) and ((X < leftX) or (X > rightX)));
+        or ((WorldEdge = weSea) and ((X < LongInt(leftX)) or (X > LongInt(rightX))));
 end;
 
 function CheckGearsCollision(Gear: PGear): PGearArray;