diff --git a/zip-plugin/src/main/java/net/imprex/zip/BackpackType.java b/zip-plugin/src/main/java/net/imprex/zip/BackpackType.java
index 16500c7..511f078 100644
--- a/zip-plugin/src/main/java/net/imprex/zip/BackpackType.java
+++ b/zip-plugin/src/main/java/net/imprex/zip/BackpackType.java
@@ -40,7 +40,7 @@ public ItemStack createItem() {
 
 	@Override
 	public Backpack create() {
-		return new Backpack(this.plugin, this);
+		return new Backpack(this.plugin, this, null);
 	}
 
 	@Override