diff --git a/SMBLibrary/SMB1/SMB1Helper.cs b/SMBLibrary/SMB1/SMB1Helper.cs
index 821151c..ab6cbfd 100644
--- a/SMBLibrary/SMB1/SMB1Helper.cs
+++ b/SMBLibrary/SMB1/SMB1Helper.cs
@@ -27,7 +27,7 @@ namespace SMBLibrary.SMB1
             else
             {
                 // Tick = 100ns
-                return DateTime.Now.Subtract(TimeSpan.FromTicks(span));
+                return DateTime.UtcNow.Subtract(TimeSpan.FromTicks(span));
             }
         }