diff --git a/src/block/Furnace.php b/src/block/Furnace.php
index 54480e62c..43ab463a6 100644
--- a/src/block/Furnace.php
+++ b/src/block/Furnace.php
@@ -25,6 +25,7 @@ namespace pocketmine\block;
 
 use pocketmine\block\tile\Furnace as TileFurnace;
 use pocketmine\block\utils\FacesOppositePlacingPlayerTrait;
+use pocketmine\block\utils\HorizontalFacing;
 use pocketmine\block\utils\Lightable;
 use pocketmine\block\utils\LightableTrait;
 use pocketmine\crafting\FurnaceType;
@@ -34,7 +35,7 @@ use pocketmine\math\Vector3;
 use pocketmine\player\Player;
 use function mt_rand;
 
-class Furnace extends Opaque implements Lightable{
+class Furnace extends Opaque implements Lightable, HorizontalFacing{
 	use FacesOppositePlacingPlayerTrait;
 	use LightableTrait;