diff --git a/LibreHardwareMonitorLib/Hardware/Controller/Nzxt/KrakenX3.cs b/LibreHardwareMonitorLib/Hardware/Controller/Nzxt/KrakenX3.cs
index 4644184..bc5de6f 100644
--- a/LibreHardwareMonitorLib/Hardware/Controller/Nzxt/KrakenX3.cs
+++ b/LibreHardwareMonitorLib/Hardware/Controller/Nzxt/KrakenX3.cs
@@ -104,7 +104,7 @@ namespace LibreHardwareMonitor.Hardware.Controller.Nzxt
         public override void Close()
         {
             base.Close();
-            _stream.Close();
+            _stream?.Close();
         }
 
         private void ContinuousRead(object state)
diff --git a/LibreHardwareMonitorLib/Hardware/SMBios.cs b/LibreHardwareMonitorLib/Hardware/SMBios.cs
index 4ecc4cd..17a3807 100644
--- a/LibreHardwareMonitorLib/Hardware/SMBios.cs
+++ b/LibreHardwareMonitorLib/Hardware/SMBios.cs
@@ -530,7 +530,7 @@ namespace LibreHardwareMonitor.Hardware
                 {
                     int tmp = month;
                     month = day;
-                    day = month;
+                    day = tmp;
                 }
                 return new DateTime(year < 100 ? 1900 + year : year, month, day);
             }