Index: uspace/lib/usbhost/src/iface.c
===================================================================
--- uspace/lib/usbhost/src/iface.c	(revision 67f55e7b2dfcb0148220fbd9ab6a82e92e67d3b6)
+++ uspace/lib/usbhost/src/iface.c	(revision 1b17e3747b21f4993a982d702031d614ab274e49)
@@ -190,11 +190,10 @@
 	assert(hcd);
 	const size_t size = max_packet_size;
-	/* Default address is not bound or registered,
-	 * thus it does not provide speed info. */
-	usb_speed_t speed = ep_speed;
-	/* NOTE The function will return EINVAL and won't
-	 * touch speed variable for default address */
-	usb_device_manager_get_info_by_address(
+	usb_speed_t speed = USB_SPEED_MAX;
+	const int ret = usb_device_manager_get_info_by_address(
 	    &hcd->dev_manager, address, NULL, &speed);
+	if (ret != EOK) {
+		return ret;
+	}
 
 	usb_log_debug("Register endpoint %d:%d %s-%s %s %zuB %ums.\n",
Index: uspace/lib/usbhost/src/usb_device_manager.c
===================================================================
--- uspace/lib/usbhost/src/usb_device_manager.c	(revision 67f55e7b2dfcb0148220fbd9ab6a82e92e67d3b6)
+++ uspace/lib/usbhost/src/usb_device_manager.c	(revision 1b17e3747b21f4993a982d702031d614ab274e49)
@@ -219,5 +219,5 @@
 {
 	assert(instance);
-	if ((address <= 0) || (address >= USB_ADDRESS_COUNT)) {
+	if ((address < 0) || (address >= USB_ADDRESS_COUNT)) {
 		return EINVAL;
 	}