From f3e26f2572b176062b5a996a538b9674a10feeba Mon Sep 17 00:00:00 2001
From: CraftBukkit/Spigot <noreply+git-craftbukkit@papermc.io>
Date: Sun, 12 May 2019 11:22:21 +1000
Subject: [PATCH] SPIGOT-4911: Cannot add firework rocket as charged projectile
 in crossbow

By: md_5 <git@md-5.net>
---
 .../org/bukkit/craftbukkit/inventory/CraftMetaCrossbow.java     | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/paper-server/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaCrossbow.java b/paper-server/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaCrossbow.java
index b3ace0bf2..15fc0115c 100644
--- a/paper-server/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaCrossbow.java
+++ b/paper-server/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaCrossbow.java
@@ -141,7 +141,7 @@ public class CraftMetaCrossbow extends CraftMetaItem implements CrossbowMeta {
     @Override
     public void addChargedProjectile(ItemStack item) {
         Preconditions.checkArgument(item != null, "item");
-        Preconditions.checkArgument(CraftMagicNumbers.getItem(item.getType()) instanceof ItemArrow, "Item %s is not an arrow", item);
+        Preconditions.checkArgument(item.getType() == Material.FIREWORK_ROCKET || CraftMagicNumbers.getItem(item.getType()) instanceof ItemArrow, "Item %s is not an arrow or firework rocket", item);
 
         if (chargedProjectiles == null) {
             chargedProjectiles = new ArrayList<>();