From d65822f1f2b18d504ddb4d854d04f18ccd6b0d5d Mon Sep 17 00:00:00 2001
From: Niko <81252038+Captain8771@users.noreply.github.com>
Date: Thu, 26 Mar 2026 13:01:18 +0100
Subject: [PATCH] fix data 1.20.5 -> 1.20.3 on skulls

---
 .../v1_20_5to1_20_3/rewriter/BlockPacketRewriter1_20_5.java  | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/common/src/main/java/com/viaversion/viabackwards/protocol/v1_20_5to1_20_3/rewriter/BlockPacketRewriter1_20_5.java b/common/src/main/java/com/viaversion/viabackwards/protocol/v1_20_5to1_20_3/rewriter/BlockPacketRewriter1_20_5.java
index ddfb439f3..ecd585edc 100644
--- a/common/src/main/java/com/viaversion/viabackwards/protocol/v1_20_5to1_20_3/rewriter/BlockPacketRewriter1_20_5.java
+++ b/common/src/main/java/com/viaversion/viabackwards/protocol/v1_20_5to1_20_3/rewriter/BlockPacketRewriter1_20_5.java
@@ -101,7 +101,10 @@ private void updateProfileTag(final CompoundTag tag, final CompoundTag profileTa
             final String value = propertyTag.getString("value", "");
             final String signature = propertyTag.getString("signature");
 
-            final ListTag<CompoundTag> list = new ListTag<>(CompoundTag.class);
+            ListTag<CompoundTag> list = propertiesTag.getListTag(property, CompoundTag.class);
+            if (list == null) {
+                list = new ListTag<>(CompoundTag.class);
+            }
             final CompoundTag updatedPropertyTag = new CompoundTag();
             updatedPropertyTag.putString("Value", value);
             if (signature != null) {