diff --git a/AntennaTracker/GCS_Mavlink.cpp b/AntennaTracker/GCS_Mavlink.cpp
index f7257d29bd..62037c6958 100644
--- a/AntennaTracker/GCS_Mavlink.cpp
+++ b/AntennaTracker/GCS_Mavlink.cpp
@@ -691,7 +691,7 @@ void GCS_MAVLINK::handleMessage(mavlink_message_t* msg)
 
             case MAV_CMD_REQUEST_AUTOPILOT_CAPABILITIES: {
                 if (is_equal(packet.param1,1.0f)) {
-                    tracker.gcs[chan-MAVLINK_COMM_0].send_autopilot_version();
+                    tracker.gcs[chan-MAVLINK_COMM_0].send_autopilot_version(FIRMWARE_VERSION);
                     result = MAV_RESULT_ACCEPTED;
                 }
                 break;
@@ -856,7 +856,7 @@ mission_failed:
 #endif
 
     case MAVLINK_MSG_ID_AUTOPILOT_VERSION_REQUEST:
-        tracker.gcs[chan-MAVLINK_COMM_0].send_autopilot_version();
+        tracker.gcs[chan-MAVLINK_COMM_0].send_autopilot_version(FIRMWARE_VERSION);
         break;
 
     } // end switch
@@ -975,4 +975,3 @@ void Tracker::gcs_retry_deferred(void)
 {
     gcs_send_message(MSG_RETRY_DEFERRED);
 }
-
diff --git a/AntennaTracker/Tracker.h b/AntennaTracker/Tracker.h
index 7dec4b6346..226a927c41 100644
--- a/AntennaTracker/Tracker.h
+++ b/AntennaTracker/Tracker.h
@@ -1,6 +1,8 @@
 /// -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*-
 
 #define THISFIRMWARE "AntennaTracker V0.7.2"
+#define FIRMWARE_VERSION 0,7,2,FIRMWARE_VERSION_TYPE_DEV
+
 /*
    Lead developers: Matthew Ridley and Andrew Tridgell