diff --git a/objects/enemy/enemy_move_sidesideupdown.gd b/objects/enemy/enemy_move_sidesideupdown.gd
index 5bfd265..2c32e20 100644
--- a/objects/enemy/enemy_move_sidesideupdown.gd
+++ b/objects/enemy/enemy_move_sidesideupdown.gd
@@ -18,7 +18,9 @@ func _ready():
 	right_down_boundary *= 8
 
 func _physics_process(delta):
-	if move_direction == 0:
+	if right_down_boundary == 0 and left_up_boundary == 0:
+		return
+	elif move_direction == 0:
 		move_side_to_side(delta)
 	else: move_up_and_down(delta)