diff --git a/src/entity/item/mod.rs b/src/entity/item/mod.rs
index 8e3731d..58e09b6 100644
--- a/src/entity/item/mod.rs
+++ b/src/entity/item/mod.rs
@@ -49,6 +49,7 @@ pub struct Meseta(pub u32);
 impl Meseta {
     pub fn as_bytes(&self) -> [u8; 16] {
         let mut result = [0; 16];
+        result[0] = 4;
         result[12..16].copy_from_slice(&u32::to_le_bytes(self.0));
         result
     }