diff --git a/AntennaTracker/Log.cpp b/AntennaTracker/Log.cpp
index be31f0a686..11b93f9e20 100644
--- a/AntennaTracker/Log.cpp
+++ b/AntennaTracker/Log.cpp
@@ -90,7 +90,6 @@ void Tracker::start_logging()
     if (g.log_bitmask != 0) {
         if (!logging_started) {
             logging_started = true;
-            DataFlash.setVehicle_Startup_Log_Writer(FUNCTOR_BIND(&tracker, &Tracker::Log_Write_Vehicle_Startup_Messages, void));
             DataFlash.StartNewLog();
         }
         // enable writes
diff --git a/AntennaTracker/system.cpp b/AntennaTracker/system.cpp
index 3944ab48b9..fd53a0bc99 100644
--- a/AntennaTracker/system.cpp
+++ b/AntennaTracker/system.cpp
@@ -86,6 +86,9 @@ void Tracker::init_tracker()
 
     init_barometer(true);
 
+    // initialise DataFlash library
+    DataFlash.setVehicle_Startup_Log_Writer(FUNCTOR_BIND(&tracker, &Tracker::Log_Write_Vehicle_Startup_Messages, void));
+
     // set serial ports non-blocking
     serial_manager.set_blocking_writes_all(false);