diff --git a/DiscImageChef.Devices/Windows/ListDevices.cs b/DiscImageChef.Devices/Windows/ListDevices.cs
index 16f0d3bee..c987ea6f0 100644
--- a/DiscImageChef.Devices/Windows/ListDevices.cs
+++ b/DiscImageChef.Devices/Windows/ListDevices.cs
@@ -41,6 +41,19 @@ namespace DiscImageChef.Devices.Windows
 {
     static class ListDevices
     {
+        internal static string HexStringToString(string hex)
+        {
+            StringBuilder result = new StringBuilder();
+            const string hextable = "0123456789abcdef";
+
+            for (int i = 0; i < hex.Length / 2; i++)
+            {
+                result.Append((char)(16 * hextable.IndexOf(hex[2 * i]) + hextable.IndexOf(hex[2 * i + 1])));
+            }
+
+            return result.ToString();
+        }
+
         internal static DeviceInfo[] GetList()
         {
             List<string> deviceIDs = new List<string>();
@@ -130,11 +143,20 @@ namespace DiscImageChef.Devices.Windows
                     info.Model =
                         StringHandlers.CToString(descriptorB, Encoding.ASCII, start: (int)descriptor.ProductIdOffset);
                 // TODO: Get serial number of SCSI and USB devices, probably also FireWire (untested)
-                if(descriptor.SerialNumberOffset > 0)
+                if (descriptor.SerialNumberOffset > 0)
+                {
                     info.Serial =
                         StringHandlers.CToString(descriptorB, Encoding.ASCII,
                                                  start: (int)descriptor.SerialNumberOffset);
 
+                    // fix any serial numbers that are returned as hex-strings
+                    if (Array.TrueForAll(info.Serial.ToCharArray(), (char c) => "0123456789abcdef".IndexOf(c) >= 0) 
+                        && (info.Serial.Length == 40))
+                    {
+                        info.Serial = HexStringToString(info.Serial).Trim();
+                    }
+                }
+
                 if(string.IsNullOrEmpty(info.Vendor) || info.Vendor == "ATA")
                 {
                     string[] pieces = info.Model.Split(' ');