diff --git a/objects/oPlayer/Step_0.gml b/objects/oPlayer/Step_0.gml
index 9c8af69..b22cf20 100644
--- a/objects/oPlayer/Step_0.gml
+++ b/objects/oPlayer/Step_0.gml
@@ -9,8 +9,15 @@ keyDown = keyboard_check(vk_down) or keyboard_check(ord("S"));
 deplaceHorizontal = keyRight - keyLeft;
 deplaceVertical = keyDown - keyUp;
 
-x += deplaceHorizontal;
-y += deplaceVertical;
+if ((deplaceHorizontal > 0 && !place_meeting(x+1, y, oWall))
+		|| (deplaceHorizontal < 0 && !place_meeting(x-1, y, oWall))) {
+	x += deplaceHorizontal;
+}
+
+if ((deplaceVertical > 0 && !place_meeting(x, y+1, oWall))
+		|| (deplaceVertical < 0 && !place_meeting(x, y-1, oWall))) {
+	y += deplaceVertical;
+}
 
 seDeplace = (deplaceHorizontal != 0 or deplaceVertical != 0);