Index: uspace/lib/usb/src/hcdhubd.c
===================================================================
--- uspace/lib/usb/src/hcdhubd.c	(revision 4b4c797d23deaa3f0f365f40c3d0d3960c0218c7)
+++ uspace/lib/usb/src/hcdhubd.c	(revision 32eceb4ff0c0ddeba47997beaa5d0677aee84d3a)
@@ -305,5 +305,5 @@
 	hc->transfer_ops->transfer_out(hc, &dev, &endpoint, buffer, size, NULL, NULL);
 
-	*handle = NULL;
+	*handle = (usb_handle_t)NULL;
 
 	return EOK;