Index: uspace/lib/virtio/virtio.c
===================================================================
--- uspace/lib/virtio/virtio.c	(revision d80fa0577aaa860c46aaab957555bb031418c4ef)
+++ uspace/lib/virtio/virtio.c	(revision f0bc6f683edd29f60139691c34b31bcfeb4898f9)
@@ -63,5 +63,6 @@
 	uintptr_t phys;
 	errno_t rc = dmamem_map_anonymous(buffers * size, 0,
-	    write ? AS_AREA_WRITE : AS_AREA_READ, 0, &phys, &virt);
+	    write ? AS_AREA_WRITE | AS_AREA_READ : AS_AREA_READ, 0, &phys,
+	    &virt);
 	if (rc != EOK)
 		return rc;