Index: uspace/srv/bd/rd/rd.c
===================================================================
--- uspace/srv/bd/rd/rd.c	(revision ffa2c8ef45390c01f3f4be4827bcd41c32f7951c)
+++ uspace/srv/bd/rd/rd.c	(revision 764d71e80b7c72cc3d48b7d5d789623dd67c6961)
@@ -102,5 +102,5 @@
 	 * Now we wait for the client to send us its communication as_area.
 	 */
-	int flags;
+	unsigned int flags;
 	if (async_share_out_receive(&callid, &comm_size, &flags)) {
 		fs_va = as_get_mappable_page(comm_size);