diff --git a/meshtastic/deviceonly.proto b/meshtastic/deviceonly.proto
index ea6ef25..9c7a664 100644
--- a/meshtastic/deviceonly.proto
+++ b/meshtastic/deviceonly.proto
@@ -94,6 +94,11 @@ message UserLite {
    * This is sent out to other nodes on the mesh to allow them to compute a shared secret key.
    */
   bytes public_key = 7;
+
+  /*
+   * Whether or not the node can be messaged
+   */
+  bool is_unmessagable = 9;
 }
 
 message NodeInfoLite {