diff --git a/vendor/github.com/opencord/omci-lib-go/omci.go b/vendor/github.com/opencord/omci-lib-go/omci.go
index 7a162d6..3904352 100644
--- a/vendor/github.com/opencord/omci-lib-go/omci.go
+++ b/vendor/github.com/opencord/omci-lib-go/omci.go
@@ -112,6 +112,7 @@
 	TransactionID    uint16
 	MessageType      MessageType
 	DeviceIdentifier DeviceIdent
+	ResponseExpected bool // Significant for Download Section Request only
 	Payload          []byte
 	padding          []byte
 	Length           uint16
@@ -206,6 +207,7 @@
 	omci.TransactionID = binary.BigEndian.Uint16(data[0:])
 	omci.MessageType = MessageType(data[2])
 	omci.DeviceIdentifier = DeviceIdent(data[3])
+	omci.ResponseExpected = byte(omci.MessageType)&me.AR == me.AR
 
 	isNotification := (int(omci.MessageType) & ^me.MsgTypeMask) == 0
 	if omci.TransactionID == 0 && !isNotification {
@@ -298,7 +300,13 @@
 		return errors.New(msg)
 	}
 	binary.BigEndian.PutUint16(bytes, omci.TransactionID)
-	bytes[2] = byte(omci.MessageType)
+	// Download section request can optionally have the AR bit set or cleared.  If user passes in this
+	// message type and sets download requested, fix up the message type for them.
+	if omci.MessageType == DownloadSectionRequestType && omci.ResponseExpected {
+		bytes[2] = byte(DownloadSectionRequestWithResponseType)
+	} else {
+		bytes[2] = byte(omci.MessageType)
+	}
 	bytes[3] = byte(omci.DeviceIdentifier)
 	b.PushLayer(LayerTypeOMCI)