diff --git a/firmware/pico_rng.h b/firmware/pico_rng.h
index 5d677dd..2aba4b7 100644
--- a/firmware/pico_rng.h
+++ b/firmware/pico_rng.h
@@ -63,14 +63,14 @@ 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          = 0x0200, // USB 1.1 device
+        .bcdUSB          = 0x0110, // USB 1.1 device
         .bDeviceClass    = 0,      // Specified in interface descriptor
         .bDeviceSubClass = 0,      // No subclass
         .bDeviceProtocol = 0,      // No protocol
         .bMaxPacketSize0 = 64,     // Max packet size for ep0
         .idVendor        = 0x0000, // Your vendor id - Choose an unregistered vendor id
         .idProduct       = 0x0004, // Your product ID
-        .bcdDevice       = 0,      // No device revision number
+        .bcdDevice       = 0x0100, // No device revision number
         .iManufacturer   = 1,      // Manufacturer string index
         .iProduct        = 2,      // Product string index
         .iSerialNumber = 0,        // No serial number