diff --git a/slice_loss_indication.go b/slice_loss_indication.go
index 66eda54..fa2762b 100644
--- a/slice_loss_indication.go
+++ b/slice_loss_indication.go
@@ -63,7 +63,7 @@ func (p SliceLossIndication) Marshal() ([]byte, error) {
 
 // Unmarshal decodes the SliceLossIndication from binary.
 func (p *SliceLossIndication) Unmarshal(rawPacket []byte) error {
-	if len(rawPacket) < (headerLength + ssrcLength) {
+	if len(rawPacket) < (headerLength + (ssrcLength * 2)) {
 		return errPacketTooShort
 	}
 
@@ -76,7 +76,7 @@ func (p *SliceLossIndication) Unmarshal(rawPacket []byte) error {
 		return errPacketTooShort
 	}
 
-	if header.Type != TypeTransportSpecificFeedback || header.Count != FormatSLI {
+	if header.Type != TypePayloadSpecificFeedback || header.Count != FormatSLI {
 		return errWrongType
 	}
 
@@ -103,7 +103,7 @@ func (p *SliceLossIndication) MarshalSize() int {
 func (p *SliceLossIndication) Header() Header {
 	return Header{
 		Count:  FormatSLI,
-		Type:   TypeTransportSpecificFeedback,
+		Type:   TypePayloadSpecificFeedback,
 		Length: uint16((p.MarshalSize() / 4) - 1), //nolint:gosec // G115
 	}
 }
diff --git a/slice_loss_indication_test.go b/slice_loss_indication_test.go
index 817fe33..dd48d9f 100644
--- a/slice_loss_indication_test.go
+++ b/slice_loss_indication_test.go
@@ -22,7 +22,7 @@ func TestSliceLossIndicationUnmarshal(t *testing.T) {
 			Name: "valid",
 			Data: []byte{
 				// SliceLossIndication
-				0x82, 0xcd, 0x0, 0x3,
+				0x82, 0xce, 0x0, 0x3,
 				// sender=0x902f9e2e
 				0x90, 0x2f, 0x9e, 0x2e,
 				// media=0x902f9e2e
@@ -39,7 +39,7 @@ func TestSliceLossIndicationUnmarshal(t *testing.T) {
 		{
 			Name: "short report",
 			Data: []byte{
-				0x81, 0xcd, 0x0, 0x2,
+				0x81, 0xce, 0x0, 0x2,
 				// ssrc=0x902f9e2e
 				0x90, 0x2f, 0x9e, 0x2e,
 				// report ends early
@@ -115,7 +115,7 @@ func TestSliceLossIndicationRoundTrip(t *testing.T) {
 func TestSliceLossIndicationUnmarshalMaxLength(t *testing.T) {
 	rawPacket := make([]byte, 4*(0xFFFF+1))
 	rawPacket[0] = 0x82
-	rawPacket[1] = 0xcd
+	rawPacket[1] = 0xce
 	rawPacket[2] = 0xff
 	rawPacket[3] = 0xff
 
diff --git a/testdata/fuzz/FuzzUnmarshal/0e87471a44c119a6 b/testdata/fuzz/FuzzUnmarshal/0e87471a44c119a6
new file mode 100644
index 0000000..e019550
--- /dev/null
+++ b/testdata/fuzz/FuzzUnmarshal/0e87471a44c119a6
@@ -0,0 +1,2 @@
+go test fuzz v1
+[]byte("\x82\xce\x00\x010000")