diff --git a/source/ublexec.cc b/source/ublexec.cc
index 49ee207..6dc4d50 100644
--- a/source/ublexec.cc
+++ b/source/ublexec.cc
@@ -207,7 +207,7 @@ void MainWindow::event() {
     iconSystem->signal_selection_changed().connect(sigc::mem_fun(*this,&MainWindow::select_System));
     btnSynopsis->signal_activate().connect(sigc::mem_fun(*this, &MainWindow::synopsis_show));
     btnAbout->signal_activate().connect([&]() {aboutWindows->show();});
-    cmbUser->signal_changed().connect([&]() {denamic_cmd();changed_user();});
+    cmbUser->signal_changed().connect([&]() {changed_user();denamic_cmd();});
     rbSudo->signal_toggled().connect(sigc::mem_fun(*this, &MainWindow::sudo_nice));
     txtCmd->signal_focus_out_event().connect(sigc::mem_fun(*this, &MainWindow::focus_out_txt_cmd));
     txtCmd->signal_focus_in_event().connect(sigc::mem_fun(*this, &MainWindow::focus_in_txt_cmd));
@@ -218,7 +218,8 @@ void MainWindow::event() {
 
 
 void MainWindow::sudo_nice(){
-    if (geteuid() == 0 || cmbUser->get_active_text() == "root"){
+    string response = this->call("id -Gn"); 
+    if (geteuid() == 0 || cmbUser->get_active_text() == "root" ){
         spinPriority->set_range(-20, 19);
         spinPriority->set_increments(1.0, -1.0);
         scalePriority->set_range(-20, 19);
@@ -226,7 +227,7 @@ void MainWindow::sudo_nice(){
         lblTimeEpriorityLow->set_text("19 (Низкий)");
         lblTime4EpriorityHigh->set_text("-20 (Высокий)");
     }
-    else if (rbSudo->get_active()){
+    else if (rbSudo->get_active() && response.find("wheel") != string::npos){
         spinPriority->set_range(-20, 19);
         spinPriority->set_increments(1.0, -1.0);
         scalePriority->set_range(-20, 19);
@@ -255,7 +256,9 @@ void MainWindow::sudo_nice(){
 
 void MainWindow::changed_user() {
     Glib::ustring entry_user = cmbUser->get_active_text();
-    if (geteuid() == 0 || entry_user == "root") {
+    string response = this->call("id -Gn"); 
+    bool flag_wheel_sudo = (rbSudo->get_active()==true && response.find("wheel") != string::npos);
+    if (geteuid() == 0 || entry_user == "root" || flag_wheel_sudo==true) {
         spinPriority->set_range(-20, 19);
         spinPriority->set_increments(1.0, -1.0);
         scalePriority->set_range(-20, 19);