diff --git a/backend/Api/BusinessLogic/DeviceLogic.cs b/backend/Api/BusinessLogic/DeviceLogic.cs
index 7df4190..dc55b6c 100644
--- a/backend/Api/BusinessLogic/DeviceLogic.cs
+++ b/backend/Api/BusinessLogic/DeviceLogic.cs
@@ -85,7 +85,7 @@ namespace Api.BusinessLogic
             List<TemperatureLogs> rangedLogs = new List<TemperatureLogs>();
             foreach (var log in logs)
             {
-                if (log.Date <= dateTimeRange.DateTimeStart && log.Date >= dateTimeRange.DateTimeEnd) { rangedLogs.Add(log); }
+                if (log.Date >= dateTimeRange.DateTimeStart && log.Date <= dateTimeRange.DateTimeEnd) { rangedLogs.Add(log); }
             }
 
             return new OkObjectResult(rangedLogs);
diff --git a/backend/Api/Controllers/DeviceController.cs b/backend/Api/Controllers/DeviceController.cs
index aa88c32..2b0dfd7 100644
--- a/backend/Api/Controllers/DeviceController.cs
+++ b/backend/Api/Controllers/DeviceController.cs
@@ -56,8 +56,8 @@ namespace Api.Controllers
             }
             else
             {
-                dateTimeRange.DateTimeStart = DateTime.Now;
-                dateTimeRange.DateTimeEnd = dateTimeRange.DateTimeStart;
+                dateTimeRange.DateTimeStart = DateTime.UnixEpoch;
+                dateTimeRange.DateTimeEnd = DateTime.Now;
             }
             return await _deviceLogic.GetLogs(dateTimeRange, deviceId);
         }