diff --git a/TeslaLogger/Program.cs b/TeslaLogger/Program.cs
index cb39d244a..72e6f702e 100644
--- a/TeslaLogger/Program.cs
+++ b/TeslaLogger/Program.cs
@@ -19,6 +19,7 @@ internal class Program
         public static int SQLTRACELIMIT = 250;
         public static int KeepOnlineMinAfterUsage = 5;
         public static int SuspendAPIMinutes = 30;
+        public static DateTime uptime = DateTime.Now;
 
         public enum TLMemCacheKey
         {
@@ -203,6 +204,8 @@ internal static void StartCarThread(DataRow r, Car.TeslaState oldCarState = Car.
 
         private static void InitWebserver()
         {
+            UpdateTeslalogger.CertUpdate();
+
             try
             {
                 Thread threadWebserver = new Thread(() =>
diff --git a/TeslaLogger/Tools.cs b/TeslaLogger/Tools.cs
index 80fdc4c36..6a95cc194 100644
--- a/TeslaLogger/Tools.cs
+++ b/TeslaLogger/Tools.cs
@@ -1479,6 +1479,10 @@ private static void CreateBackupForDocker()
             if (!IsDocker())
                 return;
 
+            var ts = DateTime.Now - Program.uptime;
+            if (ts.TotalHours < 24)
+                return;
+
             Logfile.Log("Start backup for Docker");
             Tools.ExecMono("/bin/bash", "/etc/teslalogger/backup.sh");
         }
diff --git a/TeslaLogger/UpdateTeslalogger.cs b/TeslaLogger/UpdateTeslalogger.cs
index 3c08da737..a68277252 100644
--- a/TeslaLogger/UpdateTeslalogger.cs
+++ b/TeslaLogger/UpdateTeslalogger.cs
@@ -1066,7 +1066,7 @@ public static async void DownloadUpdateAndInstall()
 
                 Tools.ExecMono("rm", "-rf /etc/teslalogger/git");
                 Tools.ExecMono("mkdir", "/etc/teslalogger/git");
-                Tools.ExecMono("cert-sync", "/etc/ssl/certs/ca-certificates.crt");
+                CertUpdate();
 
                 // run housekeeping to make sure there is enough free disk space
 
@@ -1222,6 +1222,20 @@ public static async void DownloadUpdateAndInstall()
             }
         }
 
+        public static void CertUpdate()
+        {
+            try
+            {
+                Tools.ExecMono("sed", "-i 's/^mozilla\\/DST_Root_CA_X3.crt$/!mozilla\\/DST_Root_CA_X3.crt/' /etc/ca-certificates.conf");
+                Tools.ExecMono("update-ca-certificates", "");
+                Tools.ExecMono("cert-sync", "/etc/ssl/certs/ca-certificates.crt");
+            }
+            catch (Exception ex)
+            {
+                ex.ToExceptionless().FirstCarUserID().Submit();
+                Logfile.Log(ex.ToString());
+            }
+        }
 
         private static void CheckBackupCrontab()
         {