diff --git a/engines/access/player.cpp b/engines/access/player.cpp
index 420404bf48f8..063aa76c5685 100644
--- a/engines/access/player.cpp
+++ b/engines/access/player.cpp
@@ -624,7 +624,7 @@ void Player::checkMove() {
 				}
 			}
 		} else if (_xFlag == 1) {
-			int xd = _rawPlayer.x - _moveTo.x;
+			int xd = (_playerOffset.x / 2) + _rawPlayer.x - _moveTo.x;
 			if ((xd >= 0 && xd <= -_leftDelta) || (xd < 0 && -xd <= -_leftDelta)) {
 				++_xFlag;
 
diff --git a/engines/access/room.cpp b/engines/access/room.cpp
index e40c6b7096ed..e7008c5ab79c 100644
--- a/engines/access/room.cpp
+++ b/engines/access/room.cpp
@@ -593,7 +593,7 @@ int Room::calcLR(int yp) {
 
 	int rem = (yv % yd) << 1;
 	yv /= yd;
-	if (rem >= yd)
+	if (rem >= yd || rem < 0)
 		++yv;
 
 	return yv + screen._orgX1;
@@ -607,7 +607,7 @@ int Room::calcUD(int xp) {
 
 	int rem = (xv % xd) << 1;
 	xv /= xd;
-	if (rem >= xd)
+	if (rem >= xd || rem < 0)
 		++xv;
 
 	return xv + screen._orgY1;
@@ -638,7 +638,8 @@ bool Room::codeWalls() {
 			if ((player._rawYTemp >= screen._orgY1) &&
 					(player._rawYTemp <= screen._orgY2)) {
 				jf._wallCode |= (calcLR(player._rawYTemp) - player._rawXTemp) < 0 ? 2 : 1;
-				jf._wallCode1 |= (calcLR(player._rawYTemp) - player._playerOffset.x) < 0 ? 2 : 1;
+				jf._wallCode1 |= (calcLR(player._rawYTemp) - 
+					(player._rawXTemp + player._playerOffset.x)) < 0 ? 2 : 1;
 			}
 		}