diff --git a/Software/PC_Application/LibreVNA-GUI/Calibration/LibreCAL/usbdevice.cpp b/Software/PC_Application/LibreVNA-GUI/Calibration/LibreCAL/usbdevice.cpp
index 3feaf8b..395eee9 100644
--- a/Software/PC_Application/LibreVNA-GUI/Calibration/LibreCAL/usbdevice.cpp
+++ b/Software/PC_Application/LibreVNA-GUI/Calibration/LibreCAL/usbdevice.cpp
@@ -16,6 +16,7 @@ using USBID = struct {
 };
 static constexpr USBID IDs[] = {
     {0x0483, 0x4122},
+    {0x1209, 0x4122},
 };
 
 USBDevice::USBDevice(QString serial)