diff --git a/packet/network.go b/packet/network.go
index e6aaa87e..72044750 100644
--- a/packet/network.go
+++ b/packet/network.go
@@ -54,6 +54,9 @@ type IPv6Header struct {
 	Dst          string // destination address
 }
 
+type OtherTransportLayer struct {
+}
+
 const (
 	// IPv4HLen is IPv4 header length size
 	IPv4HLen = 20
@@ -78,7 +81,6 @@ var (
 	errShortIPv4HeaderLength = errors.New("short ipv4 header length")
 	errShortIPv6HeaderLength = errors.New("short ipv6 header length")
 	errShortEthernetLength   = errors.New("short ethernet header length")
-	errUnknownTransportLayer = errors.New("unknown transport layer")
 	errUnknownL3Protocol     = errors.New("unknown network layer protocol")
 )
 
@@ -124,7 +126,8 @@ func (p *Packet) decodeNextLayer() error {
 		p.L4 = udp
 		len = 8
 	default:
-		return errUnknownTransportLayer
+		p.L4 = OtherTransportLayer{}
+		len = 0
 	}
 
 	p.data = p.data[len:]
diff --git a/packet/packet_test.go b/packet/packet_test.go
index 925d63f0..28cdce83 100644
--- a/packet/packet_test.go
+++ b/packet/packet_test.go
@@ -45,6 +45,27 @@ func TestDecodeEthernetIPv4TCP(t *testing.T) {
 	}
 }
 
+func TestDecodedIpProtocol50(t *testing.T) {
+	b := []byte{
+		0xe4, 0x8d, 0x8c, 0x2f, 0x9b, 0x17, 0xd4, 0xca, 0x6d, 0x8e, 0x52, 0x2e, 0x81, 0x00, 0x01, 0x0a,
+		0x08, 0x00, 0x45, 0x00, 0x05, 0xb8, 0x12, 0xe1, 0x00, 0x00, 0xfe, 0x32, 0x2a, 0xda, 0x48, 0x09,
+		0x74, 0x0d, 0x48, 0x09, 0x75, 0x39, 0x04, 0x60, 0xa5, 0xd4, 0x00, 0x0b, 0x6f, 0x6b, 0x04, 0xf5,
+		0xfa, 0x78, 0x6a, 0x4a, 0x93, 0xcb, 0xad, 0x94, 0xb1, 0x86, 0x3c, 0x42, 0xf6, 0x03, 0x8c, 0xa5,
+		0xc8, 0x96, 0x0a, 0xba, 0x66, 0x24, 0xca, 0x8d, 0x7c, 0x78, 0x96, 0x70, 0x46, 0x44, 0xce, 0x7a,
+		0x12, 0x23, 0x83, 0xe6, 0x99, 0x85, 0x5b, 0x91, 0x25, 0x73, 0x8d, 0x5a, 0x09, 0x82, 0xa4, 0xb9,
+		0x1b, 0x42, 0x5f, 0xf1, 0xdb, 0xf9, 0xb9, 0x1c, 0x84, 0x32, 0xfe, 0x34, 0x03, 0x00, 0x91, 0x18,
+		0x2a, 0xd3, 0xed, 0xdf, 0x41, 0x46, 0xa4, 0xcc, 0x74, 0x79, 0x58, 0x21, 0x6c, 0x3c, 0x55, 0x96,
+	}
+	p := NewPacket()
+	_, err := p.Decoder(b, headerProtocolEthernet)
+	if err != nil {
+		t.Error("unexpected error", err)
+	}
+	if p.L3.(IPv4Header).Protocol != 50 {
+		t.Error("decoding failure")
+	}
+}
+
 func BenchmarkDecodeEthernetIPv4TCP(b *testing.B) {
 	data := []byte{
 		0xde, 0xad, 0x7a, 0x48, 0xcc, 0x37, 0xd4, 0x4, 0xff, 0x1, 0x18, 0x1e,