diff --git a/codec/h265/lex.go b/codec/h265/lex.go
index f5afa5e6..84d9222a 100644
--- a/codec/h265/lex.go
+++ b/codec/h265/lex.go
@@ -76,7 +76,6 @@ func (l *Lexer) Lex(dst io.Writer, src io.Reader, delay time.Duration) error {
 		switch err {
 		case nil: // Do nothing.
 		case io.EOF:
-			fmt.Println("done")
 			return nil
 		default:
 			return fmt.Errorf("source read error: %v\n", err)
diff --git a/codec/h265/lex_test.go b/codec/h265/lex_test.go
index 637a1860..1a409e4c 100644
--- a/codec/h265/lex_test.go
+++ b/codec/h265/lex_test.go
@@ -129,7 +129,7 @@ func TestLex(t *testing.T) {
 					0x01, 0x02, 0x03, 0x04, // NAL data.
 					// NAL 2
 					0x00, 0x00, 0x00, 0x01, // Start code.
-					0x01, 0x02, 0x03, // FU payload.
+					0x00, 0x00, 0x01, 0x02, 0x03, // FU payload.
 					0x04, 0x05, 0x06, // FU payload.
 					0x07, 0x08, 0x09, // FU payload.
 					// NAL 3
@@ -216,7 +216,7 @@ func TestLex(t *testing.T) {
 					0x01, 0x02, 0x03, 0x04, // NAL data.
 					// NAL 2
 					0x00, 0x00, 0x00, 0x01, // Start code.
-					0x01, 0x02, 0x03, // FU payload.
+					0x00, 0x00, 0x01, 0x02, 0x03, // FU payload.
 					0x04, 0x05, 0x06, // FU payload.
 					0x07, 0x08, 0x09, // FU payload.
 					// NAL 3