diff --git a/lnwire/channel_ready.go b/lnwire/channel_ready.go
index 518dac304..07872f800 100644
--- a/lnwire/channel_ready.go
+++ b/lnwire/channel_ready.go
@@ -27,6 +27,12 @@ type ChannelReady struct {
 	// ShortChannelID for forwarding.
 	AliasScid *ShortChannelID
 
+	// NextLocalNonce is an optional field that stores a local musig2 nonce.
+	// This will only be populated if the simple taproot channels type was
+	// negotiated. This is the local nonce that will be used by the sender
+	// to accept a new commitment state transition.
+	NextLocalNonce *Musig2Nonce
+
 	// ExtraData is the set of data that was appended to this message to
 	// fill out the full maximum transport message size. These fields can
 	// be used to specify optional data such as custom TLV fields.
@@ -39,7 +45,7 @@ func NewChannelReady(cid ChannelID, npcp *btcec.PublicKey) *ChannelReady {
 	return &ChannelReady{
 		ChanID:                 cid,
 		NextPerCommitmentPoint: npcp,
-		ExtraData:              make([]byte, 0),
+		ExtraData:              nil,
 	}
 }
 
@@ -57,16 +63,25 @@ func (c *ChannelReady) Decode(r io.Reader, _ uint32) error {
 	err := ReadElements(r,
 		&c.ChanID,
 		&c.NextPerCommitmentPoint,
-		&c.ExtraData,
 	)
 	if err != nil {
 		return err
 	}
 
+	var tlvRecords ExtraOpaqueData
+	if err := ReadElements(r, &tlvRecords); err != nil {
+		return err
+	}
+
 	// Next we'll parse out the set of known records. For now, this is just
 	// the AliasScidRecordType.
-	var aliasScid ShortChannelID
-	typeMap, err := c.ExtraData.ExtractRecords(&aliasScid)
+	var (
+		aliasScid  ShortChannelID
+		localNonce Musig2Nonce
+	)
+	typeMap, err := tlvRecords.ExtractRecords(
+		&aliasScid, &localNonce,
+	)
 	if err != nil {
 		return err
 	}
@@ -76,6 +91,13 @@ func (c *ChannelReady) Decode(r io.Reader, _ uint32) error {
 	if val, ok := typeMap[AliasScidRecordType]; ok && val == nil {
 		c.AliasScid = &aliasScid
 	}
+	if val, ok := typeMap[NonceRecordType]; ok && val == nil {
+		c.NextLocalNonce = &localNonce
+	}
+
+	if len(tlvRecords) != 0 {
+		c.ExtraData = tlvRecords
+	}
 
 	return nil
 }
@@ -95,12 +117,16 @@ func (c *ChannelReady) Encode(w *bytes.Buffer, _ uint32) error {
 	}
 
 	// We'll only encode the AliasScid in a TLV segment if it exists.
+	recordProducers := make([]tlv.RecordProducer, 0, 2)
 	if c.AliasScid != nil {
-		recordProducers := []tlv.RecordProducer{c.AliasScid}
-		err := EncodeMessageExtraData(&c.ExtraData, recordProducers...)
-		if err != nil {
-			return err
-		}
+		recordProducers = append(recordProducers, c.AliasScid)
+	}
+	if c.NextLocalNonce != nil {
+		recordProducers = append(recordProducers, c.NextLocalNonce)
+	}
+	err := EncodeMessageExtraData(&c.ExtraData, recordProducers...)
+	if err != nil {
+		return err
 	}
 
 	return WriteBytes(w, c.ExtraData)