diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 5afd67ef797a63550031b34f9d373210030f0be9..e0de9a609265aa32e6aaf10466f6a264e5959c20 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -841,8 +841,8 @@ static int hci_init4_req(struct hci_request *req, unsigned long opt)
 	if (hdev->le_features[0] & HCI_LE_DATA_LEN_EXT) {
 		struct hci_cp_le_write_def_data_len cp;
 
-		cp.tx_len = hdev->le_max_tx_len;
-		cp.tx_time = hdev->le_max_tx_time;
+		cp.tx_len = cpu_to_le16(hdev->le_max_tx_len);
+		cp.tx_time = cpu_to_le16(hdev->le_max_tx_time);
 		hci_req_add(req, HCI_OP_LE_WRITE_DEF_DATA_LEN, sizeof(cp), &cp);
 	}