Index: uspace/srv/bd/hr/superblock.c
===================================================================
--- uspace/srv/bd/hr/superblock.c	(revision d946c276f2d4f5f802edae75a06c2d1d60e8099c)
+++ uspace/srv/bd/hr/superblock.c	(revision 2e7df2e50d670bbbef5ec0966cef7715bd4052fc)
@@ -77,5 +77,5 @@
 
 	/* XXX: for now we just copy byte by byte as "encoding" */
-	memcpy(metadata->uuid, &uuid, sizeof(HR_UUID_LEN));
+	memcpy(metadata->uuid, &uuid, HR_UUID_LEN);
 	/* uuid_encode(&uuid, metadata->uuid); */