diff --git a/net/bluetooth/hci_sync.c b/net/bluetooth/hci_sync.c
index a9f5b1a68356..cbc3a75d7326 100644
--- a/net/bluetooth/hci_sync.c
+++ b/net/bluetooth/hci_sync.c
@@ -4420,6 +4420,7 @@ static int hci_le_set_event_mask_sync(struct hci_dev *hdev)
 	if (bis_capable(hdev)) {
 		events[1] |= 0x20;	/* LE PA Report */
 		events[1] |= 0x40;	/* LE PA Sync Established */
+		events[1] |= 0x80;	/* LE PA Sync Lost */
 		events[3] |= 0x04;	/* LE Create BIG Complete */
 		events[3] |= 0x08;	/* LE Terminate BIG Complete */
 		events[3] |= 0x10;	/* LE BIG Sync Established */