diff --git a/src/main/java/me/mrletsplay/shareclientcore/connection/message/AddressableMessage.java b/src/main/java/me/mrletsplay/shareclientcore/connection/message/AddressableMessage.java
index 1cf1b18..5c09459 100644
--- a/src/main/java/me/mrletsplay/shareclientcore/connection/message/AddressableMessage.java
+++ b/src/main/java/me/mrletsplay/shareclientcore/connection/message/AddressableMessage.java
@@ -2,6 +2,8 @@ package me.mrletsplay.shareclientcore.connection.message;
 
 public interface AddressableMessage extends Message {
 
+	public static final int BROADCAST_SITE_ID = -1;
+
 	public int siteID();
 
 }