diff --git a/AsbCloudInfrastructure/Services/SAUB/TelemetryTracker.cs b/AsbCloudInfrastructure/Services/SAUB/TelemetryTracker.cs
index 86cad906..99dce9d6 100644
--- a/AsbCloudInfrastructure/Services/SAUB/TelemetryTracker.cs
+++ b/AsbCloudInfrastructure/Services/SAUB/TelemetryTracker.cs
@@ -51,7 +51,7 @@ namespace AsbCloudInfrastructure.Services.SAUB
             foreach (var telemetry in cacheTelemetry)
             {
                 var date = telemetry.Info?.DrillingStartDate
-                    ?? ParseDateFromUidOrDefault(telemetry.RemoteUid, DateTime.MinValue);
+                    ?? ParseDateFromUidOrDefault(telemetry.RemoteUid, DateTimeOffset.MinValue);
 
                 keyValuePairs[telemetry.RemoteUid] = new TrackerStat
                 {
@@ -99,7 +99,7 @@ namespace AsbCloudInfrastructure.Services.SAUB
             });
         }
 
-        private static DateTimeOffset ParseDateFromUidOrDefault(string remoteUid, DateTime defaultValue = default)
+        private static DateTimeOffset ParseDateFromUidOrDefault(string remoteUid, DateTimeOffset defaultValue = default)
         {
             //example: uid = 20211102_173407926
             if (string.IsNullOrEmpty(remoteUid) || remoteUid.Length != 18)