diff --git a/src/algorithms/tracking/gnuradio_blocks/dll_pll_veml_tracking.cc b/src/algorithms/tracking/gnuradio_blocks/dll_pll_veml_tracking.cc
index 5401fae93..09f1cf8bf 100755
--- a/src/algorithms/tracking/gnuradio_blocks/dll_pll_veml_tracking.cc
+++ b/src/algorithms/tracking/gnuradio_blocks/dll_pll_veml_tracking.cc
@@ -50,7 +50,7 @@
 #include "GPS_L5.h"
 #include "gps_l5_signal.h"
 #include "gnss_sdr_create_directory.h"
-#include <boost/lexical_cast.hpp>
+#include <boost/filesystem/path.hpp>
 #include <glog/logging.h>
 #include <gnuradio/io_signature.h>
 #include <matio.h>
@@ -1091,7 +1091,7 @@ int32_t dll_pll_veml_tracking::save_matfile()
     std::ifstream dump_file;
     std::string dump_filename_ = d_dump_filename;
     // add channel number to the filename
-    dump_filename_.append(boost::lexical_cast<std::string>(d_channel));
+    dump_filename_.append(std::to_string(d_channel));
     // add extension
     dump_filename_.append(".dat");
     std::cout << "Generating .mat file for " << dump_filename_ << std::endl;
@@ -1335,7 +1335,7 @@ void dll_pll_veml_tracking::set_channel(uint32_t channel)
         {
             std::string dump_filename_ = d_dump_filename;
             // add channel number to the filename
-            dump_filename_.append(boost::lexical_cast<std::string>(d_channel));
+            dump_filename_.append(std::to_string(d_channel));
             // add extension
             dump_filename_.append(".dat");
 
diff --git a/src/algorithms/tracking/gnuradio_blocks/dll_pll_veml_tracking_fpga.cc b/src/algorithms/tracking/gnuradio_blocks/dll_pll_veml_tracking_fpga.cc
index 71d8cfc5a..f73ed6c90 100644
--- a/src/algorithms/tracking/gnuradio_blocks/dll_pll_veml_tracking_fpga.cc
+++ b/src/algorithms/tracking/gnuradio_blocks/dll_pll_veml_tracking_fpga.cc
@@ -48,7 +48,7 @@
 #include "GPS_L5.h"
 #include "gps_l5_signal.h"
 #include "gnss_sdr_create_directory.h"
-#include <boost/lexical_cast.hpp>
+#include <boost/filesystem/path.hpp>
 #include <glog/logging.h>
 #include <gnuradio/io_signature.h>
 #include <matio.h>
@@ -999,7 +999,7 @@ int32_t dll_pll_veml_tracking_fpga::save_matfile()
     std::ifstream dump_file;
     std::string dump_filename_ = d_dump_filename;
     // add channel number to the filename
-    dump_filename_.append(boost::lexical_cast<std::string>(d_channel));
+    dump_filename_.append(std::to_string(d_channel));
     // add extension
     dump_filename_.append(".dat");
     std::cout << "Generating .mat file for " << dump_filename_ << std::endl;
@@ -1227,7 +1227,7 @@ void dll_pll_veml_tracking_fpga::set_channel(uint32_t channel)
         {
             std::string dump_filename_ = d_dump_filename;
             // add channel number to the filename
-            dump_filename_.append(boost::lexical_cast<std::string>(d_channel));
+            dump_filename_.append(std::to_string(d_channel));
             // add extension
             dump_filename_.append(".dat");