diff --git a/EKF/gps_checks.cpp b/EKF/gps_checks.cpp
index b03f72d0f7..6f7b8afaf7 100644
--- a/EKF/gps_checks.cpp
+++ b/EKF/gps_checks.cpp
@@ -68,7 +68,7 @@ bool Ekf::collect_gps(uint64_t time_usec, struct gps_message *gps)
 			map_projection_init_timestamped(&_pos_ref, lat, lon, _time_last_imu);
 
 			// if we are already doing aiding, corect for the change in posiiton since the EKF started navigating
-			if (_control_status.flags.opt_flow || _control_status.flags.gps) {
+			if (_control_status.flags.opt_flow || _control_status.flags.gps || _control_status.flags.ev_pos) {
 				double est_lat, est_lon;
 				map_projection_reproject(&_pos_ref, -_state.pos(0), -_state.pos(1), &est_lat, &est_lon);
 				map_projection_init_timestamped(&_pos_ref, est_lat, est_lon, _time_last_imu);