diff --git a/source/ubl-settings-bootloader.cc b/source/ubl-settings-bootloader.cc
index 0421df7..eec5978 100755
--- a/source/ubl-settings-bootloader.cc
+++ b/source/ubl-settings-bootloader.cc
@@ -611,6 +611,8 @@ bool MainWindow::focus_out_txt_login(GdkEventFocus*) {
 }
 
 bool MainWindow::focus_out_txt_kernel(GdkEventFocus*) {
+    auto selection_kernel = treeViewKernel->get_selection();
+    selection_kernel->unselect_all();
     this->set_entry_to_tree_view(list_store_kernel, *entryKernel, vec_Option_kernel, size_kernel, "GRUB_CMDLINE_LINUX");
     this->set_row_all(map_cmd_selection, list_store_kernel, vec_Option_kernel, size_kernel, "GRUB_CMDLINE_LINUX");
     flag_blocked_tree_view = false;
@@ -618,12 +620,16 @@ bool MainWindow::focus_out_txt_kernel(GdkEventFocus*) {
 }
 
 bool MainWindow::focus_out_txt_IPT(GdkEventFocus*) {
+    auto selection_IPT = treeViewIPT->get_selection();
+    selection_IPT->unselect_all();
     this->set_entry_to_tree_view(list_store_IPT, *entryIPT, vec_Option_IPT, size_IPT, "GRUB_TERMINAL_INPUT");
     this->set_row_all(map_cmd_selection, list_store_IPT, vec_Option_IPT, size_IPT, "GRUB_TERMINAL_INPUT");
     flag_blocked_tree_view = false;
     return true;
 }
 bool MainWindow::focus_out_txt_OTT(GdkEventFocus*) {
+    auto selection_OTT = treeViewIPT->get_selection();
+    selection_OTT->unselect_all();
     this->set_entry_to_tree_view(list_store_OTT, *entryOTT, vec_Option_OTT, size_OTT, "GRUB_TERMINAL_OUTPUT");
     this->set_row_all(map_cmd_selection, list_store_OTT, vec_Option_OTT, size_OTT, "GRUB_TERMINAL_OUTPUT");
     flag_blocked_tree_view = false;
@@ -896,7 +902,7 @@ void MainWindow::set_data_cfg() {
     }
     string name_os = entrListOS->get_text();
     if (name_os.length() != 0) {
-        map_cmd_selection["GRUB_DEFAULT"] = "\"" + name_os + "\"";
+        map_cmd_selection["GRUB_DEFAULT"] = name_os;
     }
     else {
         map_cmd_selection["GRUB_DEFAULT"] = "";