diff --git a/src/block/ShulkerBox.php b/src/block/ShulkerBox.php
index de8cefeb8..49de988cd 100644
--- a/src/block/ShulkerBox.php
+++ b/src/block/ShulkerBox.php
@@ -25,6 +25,7 @@ namespace pocketmine\block;
 
 use pocketmine\block\tile\ShulkerBox as TileShulkerBox;
 use pocketmine\block\utils\AnyFacingTrait;
+use pocketmine\block\utils\SupportType;
 use pocketmine\item\Item;
 use pocketmine\math\Vector3;
 use pocketmine\player\Player;
@@ -103,4 +104,8 @@ class ShulkerBox extends Opaque{
 
 		return true;
 	}
+
+	public function getSupportType(int $facing) : SupportType{
+		return SupportType::NONE();
+	}
 }