diff --git a/NumberSearch.Mvc/Controllers/PortingController.cs b/NumberSearch.Mvc/Controllers/PortingController.cs
index 79e0bdf7..7b941510 100644
--- a/NumberSearch.Mvc/Controllers/PortingController.cs
+++ b/NumberSearch.Mvc/Controllers/PortingController.cs
@@ -35,7 +35,7 @@ public PortingController(IConfiguration config)
         {
             configuration = config;
             _postgresql = configuration.GetConnectionString("PostgresqlProd");
-            _teleToken = Guid.Parse(configuration.GetConnectionString("TeleAPI"));
+            var checkTeli = Guid.TryParse(configuration.GetConnectionString("TeleAPI"), out _teleToken);
             _data247username = config.GetConnectionString("Data247Username");
             _data247password = config.GetConnectionString("Data247Password");
             _bulkVSAPIKey = config.GetConnectionString("BulkVSAPIKEY");
diff --git a/NumberSearch.Mvc/WorkerServices/MonitorLoop.cs b/NumberSearch.Mvc/WorkerServices/MonitorLoop.cs
index 4da9fd1f..33abb864 100644
--- a/NumberSearch.Mvc/WorkerServices/MonitorLoop.cs
+++ b/NumberSearch.Mvc/WorkerServices/MonitorLoop.cs
@@ -46,7 +46,7 @@ public MonitorLoop(IBackgroundTaskQueue taskQueue,
             _taskQueue = taskQueue;
             _cancellationToken = applicationLifetime.ApplicationStopping;
             _configuration = configuration;
-            _teleToken = Guid.Parse(configuration.GetConnectionString("TeleAPI"));
+            var checkTeli = Guid.TryParse(configuration.GetConnectionString("TeleAPI"), out _teleToken);
             _postgresql = _configuration.GetConnectionString("PostgresqlProd");
             _ = int.TryParse(_configuration.GetConnectionString("CallFlow"), out _CallFlow);
             _ = int.TryParse(_configuration.GetConnectionString("ChannelGroup"), out _ChannelGroup);