diff --git a/ArduCopter/GCS_Mavlink.pde b/ArduCopter/GCS_Mavlink.pde
index 915dc0a13a..5033f34d59 100644
--- a/ArduCopter/GCS_Mavlink.pde
+++ b/ArduCopter/GCS_Mavlink.pde
@@ -211,7 +211,7 @@ static NOINLINE void send_extended_status1(mavlink_channel_t chan)
         control_sensors_present,
         control_sensors_enabled,
         control_sensors_health,
-        (uint16_t)(scheduler.load_average(10000) * 1000),
+        (uint16_t)(scheduler.load_average(MAIN_LOOP_MICROS) * 1000),
         battery.voltage() * 1000, // mV
         battery_current,        // in 10mA units
         battery_remaining,      // in %