diff --git a/examples/chat/protocol.go b/examples/chat/protocol.go
index 05e024a..b0ffdbe 100644
--- a/examples/chat/protocol.go
+++ b/examples/chat/protocol.go
@@ -103,29 +103,29 @@ func(this *MessageError) Encode(encoder *tape.Encoder) (n int, err error) {
 	nn, err = encoder.WriteUintN(2, tag_1.CN() + 1)
 	n += nn; if err != nil { return n, err }
 	{
-		nn, err = encoder.WriteUint16(0x0000)
-		n += nn; if err != nil { return n, err }
-		tag_2 := tape.LI.WithCN(1)
-		nn, err = encoder.WriteUint8(uint8(tag_2))
-		n += nn; if err != nil { return n, err }
-		nn, err = encoder.WriteUint16(uint16((*this).Code))
-		n += nn; if err != nil { return n, err }
 		if value, ok := (*this).Description.Value(); ok {
 			nn, err = encoder.WriteUint16(0x0001)
 			n += nn; if err != nil { return n, err }
-			tag_3 := tape.StringTag(string(value))
-			nn, err = encoder.WriteUint8(uint8(tag_3))
+			tag_2 := tape.StringTag(string(value))
+			nn, err = encoder.WriteUint8(uint8(tag_2))
 			n += nn; if err != nil { return n, err }
 			if len(value) > tape.MaxStructureLength {
 				return n, tape.ErrTooLong
 			}
-			if tag_3.Is(tape.LBA) {
-				nn, err = encoder.WriteUintN(uint64(len(value)), tag_3.CN())
+			if tag_2.Is(tape.LBA) {
+				nn, err = encoder.WriteUintN(uint64(len(value)), tag_2.CN())
 				n += nn; if err != nil { return n, err }
 			}
 			nn, err = encoder.Write([]byte(value))
 			n += nn; if err != nil { return n, err }
 		}
+		nn, err = encoder.WriteUint16(0x0000)
+		n += nn; if err != nil { return n, err }
+		tag_3 := tape.LI.WithCN(1)
+		nn, err = encoder.WriteUint8(uint8(tag_3))
+		n += nn; if err != nil { return n, err }
+		nn, err = encoder.WriteUint16(uint16((*this).Code))
+		n += nn; if err != nil { return n, err }
 	}
 	return n, nil
 }
@@ -723,6 +723,11 @@ func Receive(trans hopp.Trans) (message ReceivedMessage, n int, err error) {
 	if err != nil { return nil, n, err }
 	decoder := tape.NewDecoder(reader)
 	switch method {
+	case 0x0000:
+		var message MessageError
+		nn, err := message.Decode(decoder)
+		n += nn; if err != nil { return nil, n, err }
+		return message, n, nil
 	case 0x0001:
 		var message MessageSuccess
 		nn, err := message.Decode(decoder)
@@ -748,11 +753,6 @@ func Receive(trans hopp.Trans) (message ReceivedMessage, n int, err error) {
 		nn, err := message.Decode(decoder)
 		n += nn; if err != nil { return nil, n, err }
 		return message, n, nil
-	case 0x0000:
-		var message MessageError
-		nn, err := message.Decode(decoder)
-		n += nn; if err != nil { return nil, n, err }
-		return message, n, nil
 	}
 	return nil, n, fmt.Errorf("%w: M%04X", hopp.ErrUnknownMethod, method)
 }