--- a/net/minecraft/world/entity/Avatar.java
+++ b/net/minecraft/world/entity/Avatar.java
@@ -35,7 +_,7 @@
         .put(Pose.DYING, EntityDimensions.fixed(0.2F, 0.2F).withEyeHeight(1.62F))
         .build();
     protected static final EntityDataAccessor<Byte> DATA_PLAYER_MAIN_HAND = SynchedEntityData.defineId(Avatar.class, EntityDataSerializers.BYTE);
-    protected static final EntityDataAccessor<Byte> DATA_PLAYER_MODE_CUSTOMISATION = SynchedEntityData.defineId(Avatar.class, EntityDataSerializers.BYTE);
+    public static final EntityDataAccessor<Byte> DATA_PLAYER_MODE_CUSTOMISATION = SynchedEntityData.defineId(Avatar.class, EntityDataSerializers.BYTE);
 
     protected Avatar(EntityType<? extends LivingEntity> entityType, Level level) {
         super(entityType, level);
