diff -r 3246e5c8cf69 -r 52916435d9b1 hedgewars/uGearsHandlersMess.pas
--- a/hedgewars/uGearsHandlersMess.pas	Mon Apr 01 17:35:07 2019 +0200
+++ b/hedgewars/uGearsHandlersMess.pas	Mon Apr 01 18:49:08 2019 +0200
@@ -5255,7 +5255,7 @@
     if (WorldEdge = weBounce) then
         if (hwRound(Gear^.X) - Gear^.Radius < leftX) then
             valid := false
-        else if (hwRound(Gear^.X) - Gear^.Radius > rightX) then
+        else if (hwRound(Gear^.X) + Gear^.Radius > rightX) then
             valid := false;
 
     if (not valid) then