diff --git a/src/algorithms/PVT/gnuradio_blocks/rtklib_pvt_cc.cc b/src/algorithms/PVT/gnuradio_blocks/rtklib_pvt_cc.cc
index dd5468c6e..8ad22c461 100644
--- a/src/algorithms/PVT/gnuradio_blocks/rtklib_pvt_cc.cc
+++ b/src/algorithms/PVT/gnuradio_blocks/rtklib_pvt_cc.cc
@@ -1535,12 +1535,12 @@ int rtklib_pvt_cc::work(int noutput_items, gr_vector_const_void_star& input_item
                                                                             if (d_ls_pvt->gps_cnav_utc_model.d_A0 != 0)
                                                                                 {
                                                                                     rp->update_obs_header(rp->obsFile, d_ls_pvt->gps_cnav_utc_model);
-                                                                                    rp->update_nav_header(rp->navMixFile, d_ls_pvt->gps_cnav_utc_model, d_ls_pvt->gps_cnav_iono);
+                                                                                    rp->update_nav_header(rp->navFile, d_ls_pvt->gps_cnav_utc_model, d_ls_pvt->gps_cnav_iono);
                                                                                 }
                                                                             else
                                                                                 {
                                                                                     rp->update_obs_header(rp->obsFile, d_ls_pvt->gps_utc_model);
-                                                                                    rp->update_nav_header(rp->navMixFile, d_ls_pvt->gps_utc_model, d_ls_pvt->gps_iono);
+                                                                                    rp->update_nav_header(rp->navFile, d_ls_pvt->gps_utc_model, d_ls_pvt->gps_iono);
                                                                                 }
                                                                             b_rinex_header_updated = true;
                                                                         }