@ -1331,7 +1331,7 @@ static bool CanFollowRoad(TileIndex tile, DiagDirection dir)
/* Check whether a road connection already exists,
* and it leads somewhere else. */
RoadBits back_rb = DiagDirToRoadBits(ReverseDiagDir(dir));
return (target_rb & back_rb) != 0 && (target_rb & back_rb) != back_rb;
return (target_rb & back_rb) != 0 && (target_rb & ~back_rb) != 0;
}