diff --git a/meshtastic/admin.options b/meshtastic/admin.options
index f91dc1c7..3f94fe25 100644
--- a/meshtastic/admin.options
+++ b/meshtastic/admin.options
@@ -18,6 +18,7 @@
 
 *HamParameters.call_sign max_size:8
 *HamParameters.short_name max_size:5
+*HamParameters.long_name max_size:15
 *NodeRemoteHardwarePinsResponse.node_remote_hardware_pins max_count:16
 
 *LockdownAuth.passphrase max_size:32
diff --git a/meshtastic/admin.proto b/meshtastic/admin.proto
index 27b6f9eb..cfbea729 100644
--- a/meshtastic/admin.proto
+++ b/meshtastic/admin.proto
@@ -691,6 +691,12 @@ message HamParameters {
    * Optional short name of user
    */
   string short_name = 4;
+
+  /*
+   * Optional long name of user
+   * Appended to callsign
+   */
+  string long_name = 5;
 }
 
 /*