diff --git a/net/bluetooth/hci_sync.c b/net/bluetooth/hci_sync.c
index ffd7b37e7401..3ab5fa3dce96 100644
--- a/net/bluetooth/hci_sync.c
+++ b/net/bluetooth/hci_sync.c
@@ -4797,6 +4797,24 @@ static int hci_le_set_def_rate_sync(struct hci_dev *hdev)
 	cp.cont_num = cpu_to_le16(0x0001);
 	cp.supv_timeout = cpu_to_le16(0x000c);	/* 120 ms */
 
+	/* The connection event length recommended in requests by a Peripheral
+	 * uses units of 125 us with a valid range of 0x0001 to 0x7CFF
+	 * (0.125 ms to 3.999875 s), so 0x0000 cannot be used. Also note that
+	 * the Controller is not required to use these values:
+	 *
+	 * BLUETOOTH CORE SPECIFICATION Version 6.2 | Vol 4, Part E
+	 * 7.8.158. LE Set Default Rate Parameters command
+	 *
+	 * The Min_CE_Length and Max_CE_Length parameters provide the
+	 * Controller with the expected minimum and maximum length of the
+	 * connection events. The Controller is not required to use these
+	 * values.
+	 *
+	 * So it is safe to just use the minimum.
+	 */
+	cp.min_ce_len = cpu_to_le16(0x0001);
+	cp.max_ce_len = cpu_to_le16(0x0001);
+
 	return __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_DEF_RATE,
 				     sizeof(cp), &cp, HCI_CMD_TIMEOUT);
 }
@@ -7467,8 +7485,24 @@ static int hci_le_conn_rate_request_sync(struct hci_dev *hdev, void *data)
 	cp.max_latency	= cpu_to_le16(params->max_latency);
 	cp.cont_num	= cpu_to_le16(params->cont_num);
 	cp.supv_timeout	= cpu_to_le16(params->rate_supv_timeout);
-	cp.min_ce_len	= cpu_to_le16(0x0000);
-	cp.max_ce_len	= cpu_to_le16(0x0000);
+
+	/* The connection event length recommended in requests by a Peripheral
+	 * uses units of 125 us with a valid range of 0x0001 to 0x7CFF
+	 * (0.125 ms to 3.999875 s), so 0x0000 cannot be used. Also note that
+	 * the Controller is not required to use these values:
+	 *
+	 * BLUETOOTH CORE SPECIFICATION Version 6.2 | Vol 4, Part E
+	 * 7.8.157. LE Connection Rate Request command
+	 *
+	 * The Min_CE_Length and Max_CE_Length parameters provide the
+	 * Controller with the expected minimum and maximum length of the
+	 * connection events. The Controller is not required to use these
+	 * values.
+	 *
+	 * So it is safe to just use the minimum.
+	 */
+	cp.min_ce_len	= cpu_to_le16(0x0001);
+	cp.max_ce_len	= cpu_to_le16(0x0001);
 
 	hci_dev_unlock(hdev);