diff --git a/source/ubl-settings-datetime.cc b/source/ubl-settings-datetime.cc
index 459a472..f4eecf6 100644
--- a/source/ubl-settings-datetime.cc
+++ b/source/ubl-settings-datetime.cc
@@ -290,19 +290,14 @@ void MainWindow::wind_close_ntp(){
 
 void MainWindow::stop_ntp(){
     windowsNnpClose->hide();
-    string cmd = "";
-    string response = "";
-    string array_servis[8] = {"systemd-timesyncd", "chronyd.service", "ntp.service", "ntpdate.service",
-        "ntpd.service", "ptp4l.service", "openntpd.service", "phc2sys.service"};
-    for (string &name_serive: array_servis){
-        cmd = "systemctl status " + name_serive + " | grep \"Active: active\"";
-        response = this->call(cmd.c_str());
-        if (response.length()!=0){
-            cmd = "systemctl --quiet is-active " + name_serive +  " &>/dev/null && systemctl stop " + name_serive;
-            this->call(cmd.c_str());
-        }
-    }
-    
+    string cmd = "SEL_SERVICE=\"systemd-timesyncd\"; systemctl --quiet is-active ${SEL_SERVICE}.service &>/dev/null && systemctl stop ${SEL_SERVICE}.service; "
+    "SEL_SERVICE=\"ntpd\"; systemctl --quiet is-active ${SEL_SERVICE}.service &>/dev/null && systemctl stop ${SEL_SERVICE}.service || pkill -9 ${SEL_SERVICE}; "
+    "SEL_SERVICE=\"ntpdate\"; systemctl --quiet is-active ${SEL_SERVICE}.service &>/dev/null && systemctl stop ${SEL_SERVICE}.service || pkill -9 ${SEL_SERVICE}; "
+    "SEL_SERVICE=\"chronyd\"; systemctl --quiet is-active ${SEL_SERVICE}.service &>/dev/null && systemctl stop ${SEL_SERVICE}.service || pkill -9 ${SEL_SERVICE}; "
+    "SEL_SERVICE=\"openntpd\"; systemctl --quiet is-active ${SEL_SERVICE}.service &>/dev/null && systemctl stop ${SEL_SERVICE}.service || pkill -9 ntpd; "
+    "SEL_SERVICE=\"ptp4l\"; systemctl --quiet is-active ${SEL_SERVICE}.service &>/dev/null && systemctl stop ${SEL_SERVICE}.service || pkill -9 ${SEL_SERVICE}; "
+    "SEL_SERVICE=\"phc2sys\"; systemctl --quiet is-active ${SEL_SERVICE}.service &>/dev/null && systemctl stop ${SEL_SERVICE}.service || pkill -9 ${SEL_SERVICE} ";
+
     system(cmd.c_str());
     this->update_time_date();