diff --git a/libraries/AP_GPS/AP_GPS.cpp b/libraries/AP_GPS/AP_GPS.cpp
index f5fc7fe56e..03f6fba46c 100644
--- a/libraries/AP_GPS/AP_GPS.cpp
+++ b/libraries/AP_GPS/AP_GPS.cpp
@@ -1002,7 +1002,7 @@ void AP_GPS::send_mavlink_gps_raw(mavlink_channel_t chan)
         hacc * 1000,          // one-sigma standard deviation in mm
         vacc * 1000,          // one-sigma standard deviation in mm
         sacc * 1000,          // one-sigma standard deviation in mm/s
-        0);                   // TODO one-sigma heading accuracy standard deviation
+        0, 0);                   // TODO one-sigma heading accuracy standard deviation
 }
 
 #if GPS_MAX_RECEIVERS > 1
@@ -1032,7 +1032,7 @@ void AP_GPS::send_mavlink_gps2_raw(mavlink_channel_t chan)
         ground_course(1)*100, // 1/100 degrees,
         num_sats(1),
         state[1].rtk_num_sats,
-        state[1].rtk_age_ms);
+        state[1].rtk_age_ms, 0);
 }
 #endif // GPS_MAX_RECEIVERS