Index: uspace/lib/usbhost/src/device_keeper.c
===================================================================
--- uspace/lib/usbhost/src/device_keeper.c	(revision 160b75e098f96312d13cf8c93e26f0ee3e46c1a5)
+++ uspace/lib/usbhost/src/device_keeper.c	(revision e7079cfccf40b3535b85a699063f3ecc42490440)
@@ -158,5 +158,6 @@
 }
 
-/** Find devman handled assigned to USB address.
+/** Find devman handle assigned to USB address.
+ * Intentionally refuse to find handle of default address.
  *
  * @param[in] instance Device keeper structure to use.
@@ -170,5 +171,5 @@
 	assert(instance);
 	fibril_mutex_lock(&instance->guard);
-	if ((address < 0) || (address >= USB_ADDRESS_COUNT)) {
+	if ((address <= 0) || (address >= USB_ADDRESS_COUNT)) {
 		fibril_mutex_unlock(&instance->guard);
 		return false;