diff --git a/src/algorithms/signal_source/adapters/file_signal_source.cc b/src/algorithms/signal_source/adapters/file_signal_source.cc
index d9faf8fab..bb419224a 100644
--- a/src/algorithms/signal_source/adapters/file_signal_source.cc
+++ b/src/algorithms/signal_source/adapters/file_signal_source.cc
@@ -118,14 +118,12 @@ FileSignalSource::FileSignalSource(ConfigurationInterface* configuration,
             if (filename_.compare(default_filename) == 0)
                 {
                     default_conf_file = hmpath + "/.gnss-sdr/conf/gnss-sdr.conf";
-                    text_ = "Please modify the configuration example at " + default_conf_file;
+                    text_ = "Please modify the configuration taking the example at " + default_conf_file;
 
                 }
             else
                 {
-                    default_conf_file = "conf/gnss-sdr.conf";
-                    text_ = "Please modify the configuration at " +
-                             default_conf_file +" (the default configuration file)";
+                    text_ = "Please modify your configuration file"; //+
                 }
 
             std::cerr
@@ -137,12 +135,12 @@ FileSignalSource::FileSignalSource(ConfigurationInterface* configuration,
             << std::endl
             << "and point SignalSource.filename to a valid file,"
             << std::endl
-            << "or specify your own receiver and source with the flag"
+            << "and specify your own receiver with the flag"
             << std::endl
-            <<"gnss-sdr --config_file=/path/to/my_GNSS_SDR_configuration.conf"
+            << "$ gnss-sdr --config_file=/path/to/my_GNSS_SDR_configuration.conf"
             << std::endl;
             LOG(INFO) << "file_signal_source: Unable to open the samples file "
-                               << filename_.c_str() << ", exiting the program.";
+                      << filename_.c_str() << ", exiting the program.";
             throw(e);
     }
 
diff --git a/src/algorithms/signal_source/adapters/nsr_file_signal_source.cc b/src/algorithms/signal_source/adapters/nsr_file_signal_source.cc
index 8889968c7..ff5acbe44 100644
--- a/src/algorithms/signal_source/adapters/nsr_file_signal_source.cc
+++ b/src/algorithms/signal_source/adapters/nsr_file_signal_source.cc
@@ -31,6 +31,10 @@
  */
 
 #include "nsr_file_signal_source.h"
+#include <unistd.h>
+#include <sys/types.h>
+#include <pwd.h>
+#include <cstdlib>
 #include <exception>
 #include <fstream>
 #include <iomanip>
@@ -52,6 +56,15 @@ NsrFileSignalSource::NsrFileSignalSource(ConfigurationInterface* configuration,
         boost::shared_ptr<gr::msg_queue> queue) :
 		                role_(role), in_streams_(in_streams), out_streams_(out_streams), queue_(queue)
 {
+
+    char* userHomePath;
+    userHomePath = getenv ("HOME");
+    if (userHomePath == NULL)
+        {
+            struct passwd *pw = getpwuid(getuid());
+            userHomePath = pw->pw_dir;
+        }
+    std::string hmpath(userHomePath);
     std::string default_filename = "../data/my_capture.dat";
     std::string default_item_type = "byte";
     std::string default_dump_filename = "../data/my_capture_dump.dat";
@@ -86,19 +99,23 @@ NsrFileSignalSource::NsrFileSignalSource(ConfigurationInterface* configuration,
     }
     catch (const std::exception &e)
     {
+            std::string default_conf_file;
+            std::string text_;
+            default_conf_file = hmpath + "/.gnss-sdr/conf/gnss-sdr_GPS_L1_nsr.conf";
+            text_ = "Please modify the configuration taking the example at " + default_conf_file;
+
             std::cerr
             << "The receiver was configured to work with a file signal source "
             << std::endl
             << "but the specified file is unreachable by GNSS-SDR."
             << std::endl
-            << "Please modify the configuration at "
-            << "conf/gnss-sdr.conf (the default configuration file)"
+            << text_
             << std::endl
             << "and point SignalSource.filename to a valid file,"
             << std::endl
-            << "or specify your own receiver and source with the flag"
+            << "and specify your own receiver and source with the flag"
             << std::endl
-            <<"gnss-sdr --config_file=my_GNSS_SDR_configuration.conf"
+            << "$ gnss-sdr --config_file=/path/to/my_GNSS_SDR_configuration.conf"
             << std::endl;
             LOG(WARNING) << "file_signal_source: Unable to open the samples file "
                          << filename_.c_str() << ", exiting the program.";