diff --git a/src/pocketmine/inventory/AnvilInventory.php b/src/pocketmine/inventory/AnvilInventory.php
index d19792a26..421d34f5b 100644
--- a/src/pocketmine/inventory/AnvilInventory.php
+++ b/src/pocketmine/inventory/AnvilInventory.php
@@ -45,7 +45,7 @@ class AnvilInventory extends ContainerInventory{
 	}
 
 	public function getDefaultSize() : int{
-		return 3; //1 input, 1 material, 1 result
+		return 2; //1 input, 1 material
 	}
 
 	/**