diff --git a/codecs/h265_packet.go b/codecs/h265_packet.go
index 707b6a7..591566d 100644
--- a/codecs/h265_packet.go
+++ b/codecs/h265_packet.go
@@ -860,7 +860,7 @@ type H265Payloader struct {
 }
 
 // Payload fragments a H265 packet across one or more byte arrays.
-func (p *H265Payloader) Payload(mtu uint16, payload []byte) [][]byte { //nolint: gocognit
+func (p *H265Payloader) Payload(mtu uint16, payload []byte) [][]byte { //nolint: gocognit,cyclop,funlen
 	var payloads [][]byte
 	if len(payload) == 0 || mtu == 0 {
 		return payloads
@@ -928,6 +928,9 @@ func (p *H265Payloader) Payload(mtu uint16, payload []byte) [][]byte { //nolint:
 						index++
 					}
 				}
+
+				// Since the type of mtu is uint16, len(nalu) fits in as well, so it is safe.
+				// #nosec
 				binary.BigEndian.PutUint16(buf[index:index+2], uint16(len(nalu)))
 				index += 2
 				index += copy(buf[index:], nalu)
diff --git a/codecs/h265_packet_test.go b/codecs/h265_packet_test.go
index 49adaff..e756627 100644
--- a/codecs/h265_packet_test.go
+++ b/codecs/h265_packet_test.go
@@ -873,7 +873,7 @@ func TestH265_Packet_Real(t *testing.T) {
 	}
 }
 
-func TestH265Payloader_Payload(t *testing.T) {
+func TestH265Payloader_Payload(t *testing.T) { // nolint: funlen
 	tt := []struct {
 		Name            string
 		Data            []byte
@@ -1141,6 +1141,8 @@ func TestH265Payloader_Real(t *testing.T) {
 	// curl -LO "https://test-videos.co.uk/vids/bigbuckbunny/mp4/h265/1080/Big_Buck_Bunny_1080_10s_1MB.mp4"
 	// ffmpeg -i Big_Buck_Bunny_1080_10s_1MB.mp4 -c:v copy Big_Buck_Bunny_1080_10s_1MB.h265
 	// hexdump -v -e '1/1 "0x%02x, "' Big_Buck_Bunny_1080_10s_1MB.h265 > aaa
+
+	// nolint: lll
 	payload := []byte{
 		0x00, 0x00, 0x00, 0x01, 0x40, 0x01, 0x0c, 0x01, 0xff, 0xff, 0x01, 0x60, 0x00, 0x00, 0x03, 0x00, 0x90, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x78, 0x95, 0x98, 0x09,
 		0x00, 0x00, 0x00, 0x01, 0x42, 0x01, 0x01, 0x01, 0x60, 0x00, 0x00, 0x03, 0x00, 0x90, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 0x78, 0xa0, 0x03, 0xc0, 0x80, 0x10, 0xe5, 0x96, 0x56, 0x69, 0x24, 0xca, 0xf0, 0x10, 0x10, 0x00, 0x00, 0x03, 0x00, 0x10, 0x00, 0x00, 0x03, 0x01, 0xe0, 0x80,