diff --git a/grub-cmdline-linux.csv b/grub-cmdline-linux.csv
index 1aba2df..214b158 100644
--- a/grub-cmdline-linux.csv
+++ b/grub-cmdline-linux.csv
@@ -1,14 +1,14 @@
-Option,Description
-quiet,Downloading without text messages
-splash,Show welcome window
-noplymouth,Disable Plymouth
-acpi=off,Disable ACPI
-noapic,Disable APIC
-nolapic,Disable local APIC
-single,Single User Mode
-nomodeset,Disable kernel selection and loading of video drivers
-915.enable_dc=0,Disable GPU power management
-ahci.mobile_lpm_policy=1,"Maximum performance, power management"
-snd-intel-dspcfg.dsp_driver=1,Forced selection of an Intel sound device driver
-intel_idle.max_cstate=1,Prevents the processor from going into a deep sleep state
-intel_idle.max_cstate=4,Eliminates flickering laptop display on Ultra Voltage processors
+Option;Description
+quiet;Downloading without text messages
+splash;Show welcome window
+noplymouth;Disable Plymouth
+acpi=off;Disable ACPI
+noapic;Disable APIC
+nolapic;Disable local APIC
+single;Single User Mode
+nomodeset;Disable kernel selection and loading of video drivers
+915.enable_dc=0;Disable GPU power management
+ahci.mobile_lpm_policy=1;Maximum performance, power management
+snd-intel-dspcfg.dsp_driver=1;Forced selection of an Intel sound device driver
+intel_idle.max_cstate=1;Prevents the processor from going into a deep sleep state
+intel_idle.max_cstate=4;Eliminates flickering laptop display on Ultra Voltage processors
diff --git a/grub-play.csv b/grub-play.csv
index 79edc2e..b4167ab 100644
--- a/grub-play.csv
+++ b/grub-play.csv
@@ -1 +1 @@
-ubbeep,1 22 333 4444 5555
\ No newline at end of file
+ubbeep;1 22 333 4444 5555
\ No newline at end of file
diff --git a/grub-terminal-input.csv b/grub-terminal-input.csv
index 4bd7f47..98148e6 100644
--- a/grub-terminal-input.csv
+++ b/grub-terminal-input.csv
@@ -1,6 +1,6 @@
-Option,Description
-console,PC BIOS & EFI console
-serial,Serial terminal
-ofconsole,Open Firmware Console
-at_keyboard,PC AT Keyboard (Coreboot)
-usb_keyboard,USB Keyboard (HID Boot protocol)
+Option;Description
+console;PC BIOS & EFI console
+serial;Serial terminal
+ofconsole;Open Firmware Console
+at_keyboard;PC AT Keyboard (Coreboot)
+usb_keyboard;USB Keyboard (HID Boot protocol)
diff --git a/grub-terminal-output.csv b/grub-terminal-output.csv
index 30453d6..e4a86fd 100644
--- a/grub-terminal-output.csv
+++ b/grub-terminal-output.csv
@@ -1,6 +1,6 @@
-Option,Description
-console,PC BIOS & EFI console
-serial,Serial terminal
-ofconsole,Open Firmware Console
-gfxterm,Output in graphical mode
-vga_text,VGA text output (Coreboot)
+Option;Description
+console;PC BIOS & EFI console
+serial;Serial terminal
+ofconsole;Open Firmware Console
+gfxterm;Output in graphical mode
+vga_text;VGA text output (Coreboot)
diff --git a/source/ubl-settings-bootloader.cc b/source/ubl-settings-bootloader.cc
index 596b3af..4bd132f 100755
--- a/source/ubl-settings-bootloader.cc
+++ b/source/ubl-settings-bootloader.cc
@@ -734,7 +734,7 @@ void MainWindow::set_data_csv_melody() {
         Gtk::TreeModel::Row row = *iter;
         code_melodyes = row[m_columns_melody.melody_code] + "";
         if (code_melodyes.length() != 0 && (row[m_columns_melody.title] + "").length() != 0) {
-            all_melody += row[m_columns_melody.title] + "," + code_melodyes + "\n";
+            all_melody += row[m_columns_melody.title] + ";" + code_melodyes + "\n";
             if (row[m_columns_melody.check_button]) {
                 map_cmd_selection["GRUB_PLAY"] =  code_melodyes + "";
             }
@@ -749,11 +749,7 @@ void MainWindow::set_data_csv_melody() {
         }
     }
     if (all_melody_old != all_melody) {
-        ofstream fout(path_name, ios_base::out | ios_base::trunc);
-        if (fout.is_open()) {
-            fout << all_melody;
-            fout.close();
-        }
+        Utils::write_file(path_name, all_melody);
     }
 }
 
diff --git a/source/util.cc b/source/util.cc
index f2e47de..943146d 100644
--- a/source/util.cc
+++ b/source/util.cc
@@ -8,7 +8,7 @@ array<vector<string>, 5> read_csv(const string& filename) {
     vector<string> vec_opcision;
     ifstream file(filename);
     string line;
-    char delimiter = ',';
+    char delimiter = ';';
     getline(file, line);
     while (getline(file, line)) {
         stringstream stream(line);
@@ -50,11 +50,19 @@ array<vector<string>, 5> read_csv(const string& filename) {
     return array_vectors;
 }
 
+void write_file(string path_name, string data) {
+    ofstream fout(path_name, ios_base::out | ios_base::trunc);
+    if (fout.is_open()) {
+        fout << data;
+        fout.close();
+    }
+}
+
 vector<tuple<string, string>> read_csv_melody(const string& filename) {
     vector<tuple<string, string>> vec_music;
     ifstream file(filename);
     string line;
-    char delimiter = ',';
+    char delimiter = ';';
     while (getline(file, line)) {
         stringstream stream(line);
         string name;
diff --git a/source/util.h b/source/util.h
index 59909c2..0267564 100644
--- a/source/util.h
+++ b/source/util.h
@@ -46,5 +46,6 @@ void str_remove(std::string& source, std::string to_remove);
 void str_replace_all(string &str_base, string str_find, string str_replace);
 std::vector<std::string> split(std::string text, char delim);
 vector<tuple<string, string>> read_csv_melody(const string& filename);
+void write_file(string path_name, string data);
 }
 #endif
\ No newline at end of file