diff --git a/net/bluetooth/hci_sysfs.c b/net/bluetooth/hci_sysfs.c
index cef1e3e..0cd9bd5 100644
--- a/net/bluetooth/hci_sysfs.c
+++ b/net/bluetooth/hci_sysfs.c
@@ -302,8 +302,8 @@ void hci_conn_add_sysfs(struct hci_conn *conn)
 	conn->dev.release = bt_release;
 
 	snprintf(conn->dev.bus_id, BUS_ID_SIZE,
-			"%s%2.2X%2.2X%2.2X%2.2X%2.2X%2.2X",
-			conn->type == ACL_LINK ? "acl" : "sco",
+			"%d-%s%2.2X%2.2X%2.2X%2.2X%2.2X%2.2X",
+			hdev->id, conn->type == ACL_LINK ? "acl" : "sco",
 			ba->b[5], ba->b[4], ba->b[3],
 			ba->b[2], ba->b[1], ba->b[0]);