diff --git a/net/bluetooth/smp.h b/net/bluetooth/smp.h
index 1b8af35..a11d428 100644
--- a/net/bluetooth/smp.h
+++ b/net/bluetooth/smp.h
@@ -78,7 +78,7 @@
 #define SMP_CMD_MASTER_IDENT	0x07
 struct smp_cmd_master_ident {
 	__le16	ediv;
-	__u8	rand[8];
+	__le64	rand;
 } __packed;
 
 #define SMP_CMD_IDENT_INFO	0x08