diff --git a/modules/net_sniff_krb5.go b/modules/net_sniff_krb5.go
index 5755b997..42488e41 100644
--- a/modules/net_sniff_krb5.go
+++ b/modules/net_sniff_krb5.go
@@ -21,20 +21,24 @@ func krb5Parser(ip *layers.IPv4, pkt gopacket.Packet, udp *layers.UDP) bool {
 		return false
 	}
 
-	s, err := req.String()
-	NewSnifferEvent(
-		pkt.Metadata().Timestamp,
-		"krb5",
-		ip.SrcIP.String(),
-		ip.DstIP.String(),
-		SniffData{
-			"req": req,
-		},
-		"%s %s -> %s : %s",
-		core.W(core.BG_RED+core.FG_BLACK, "krb-as-req"),
-		vIP(ip.SrcIP),
-		vIP(ip.DstIP),
-		s,
-	).Push()
-	return true
+	if s, err := req.String(); err == nil {
+		NewSnifferEvent(
+			pkt.Metadata().Timestamp,
+			"krb5",
+			ip.SrcIP.String(),
+			ip.DstIP.String(),
+			SniffData{
+				"req": req,
+			},
+			"%s %s -> %s : %s",
+			core.W(core.BG_RED+core.FG_BLACK, "krb-as-req"),
+			vIP(ip.SrcIP),
+			vIP(ip.DstIP),
+			s,
+		).Push()
+
+		return true
+	}
+
+	return false
 }
diff --git a/net/oui_compiled.go b/net/oui_compiled.go
index 78297181..5f4beb1c 100644
--- a/net/oui_compiled.go
+++ b/net/oui_compiled.go
@@ -182,7 +182,6 @@ type bintree struct {
 	Func     func() (*asset, error)
 	Children map[string]*bintree
 }
-
 var _bintree = &bintree{nil, map[string]*bintree{
 	"net": &bintree{nil, map[string]*bintree{
 		"oui.dat": &bintree{netOuiDat, map[string]*bintree{}},
@@ -235,3 +234,4 @@ func _filePath(dir, name string) string {
 	cannonicalName := strings.Replace(name, "\\", "/", -1)
 	return filepath.Join(append([]string{dir}, strings.Split(cannonicalName, "/")...)...)
 }
+