diff --git a/firmware/pico_rng.h b/firmware/pico_rng.h
index 9d69055..5d677dd 100644
--- a/firmware/pico_rng.h
+++ b/firmware/pico_rng.h
@@ -63,7 +63,7 @@ static const struct usb_endpoint_descriptor ep0_in = {
 static const struct usb_device_descriptor device_descriptor = {
         .bLength         = sizeof(struct usb_device_descriptor),
         .bDescriptorType = USB_DT_DEVICE,
-        .bcdUSB          = 0x0110, // USB 1.1 device
+        .bcdUSB          = 0x0200, // USB 1.1 device
         .bDeviceClass    = 0,      // Specified in interface descriptor
         .bDeviceSubClass = 0,      // No subclass
         .bDeviceProtocol = 0,      // No protocol