diff --git a/src/algorithms/PVT/libs/nmea_printer.cc b/src/algorithms/PVT/libs/nmea_printer.cc
index eb1a66db4..2470b1819 100644
--- a/src/algorithms/PVT/libs/nmea_printer.cc
+++ b/src/algorithms/PVT/libs/nmea_printer.cc
@@ -102,7 +102,7 @@ Nmea_Printer::Nmea_Printer(const std::string& filename, bool flag_nmea_output_fi
     nmea_devname = std::move(nmea_dump_devname);
     if (flag_nmea_tty_port == true)
         {
-            nmea_dev_descriptor = init_serial(nmea_devname.c_str());
+            nmea_dev_descriptor = init_serial(nmea_devname);
             if (nmea_dev_descriptor != -1)
                 {
                     DLOG(INFO) << "NMEA printer writing on " << nmea_devname.c_str();
diff --git a/src/algorithms/telemetry_decoder/gnuradio_blocks/galileo_telemetry_decoder_cc.cc b/src/algorithms/telemetry_decoder/gnuradio_blocks/galileo_telemetry_decoder_cc.cc
index 96d81d65a..bb5b68a9e 100644
--- a/src/algorithms/telemetry_decoder/gnuradio_blocks/galileo_telemetry_decoder_cc.cc
+++ b/src/algorithms/telemetry_decoder/gnuradio_blocks/galileo_telemetry_decoder_cc.cc
@@ -309,7 +309,7 @@ void galileo_telemetry_decoder_cc::decode_INAV_word(double *page_part_symbols, i
     else
         {
             // STORE HALF WORD (even page)
-            d_inav_nav.split_page(page_String.c_str(), flag_even_word_arrived);
+            d_inav_nav.split_page(page_String, flag_even_word_arrived);
             flag_even_word_arrived = 1;
         }
     volk_gnsssdr_free(page_part_bits);