diff --git a/config/config.go b/config/config.go
index 6d33728..6431bb9 100644
--- a/config/config.go
+++ b/config/config.go
@@ -45,6 +45,20 @@ func (at *ArtifactType) UnmarshalTOML(data []byte) (err error) {
 	return
 }
 
+func (at ArtifactType) MarshalTOML() (data []byte, err error) {
+	s := ""
+	switch at {
+	case KernelModule:
+		s = "module"
+	case KernelExploit:
+		s = "exploit"
+	default:
+		err = errors.New(fmt.Sprintf("Cannot marshal %d", at))
+	}
+	data = []byte(`"` + s + `"`)
+	return
+}
+
 type Artifact struct {
 	Name             string
 	Type             ArtifactType
@@ -114,6 +128,22 @@ func (dt *DistroType) UnmarshalTOML(data []byte) (err error) {
 	return
 }
 
+func (dt DistroType) MarshalTOML() (data []byte, err error) {
+	s := ""
+	switch dt {
+	case Ubuntu:
+		s = "Ubuntu"
+	case CentOS:
+		s = "CentOS"
+	case Debian:
+		s = "Debian"
+	default:
+		err = errors.New(fmt.Sprintf("Cannot marshal %d", dt))
+	}
+	data = []byte(`"` + s + `"`)
+	return
+}
+
 type KernelInfo struct {
 	DistroType    DistroType
 	DistroRelease string // 18.04/7.4.1708/9.1
diff --git a/config/config_test.go b/config/config_test.go
new file mode 100644
index 0000000..7bf2a59
--- /dev/null
+++ b/config/config_test.go
@@ -0,0 +1,30 @@
+// Copyright 2018 Mikhail Klementev. All rights reserved.
+// Use of this source code is governed by a AGPLv3 license
+// (or later) that can be found in the LICENSE file.
+
+package config
+
+import (
+	"testing"
+
+	"github.com/naoina/toml"
+)
+
+func TestMarshalUnmarshal(t *testing.T) {
+	artifactCfg := Artifact{
+		Name: "Put name here",
+		Type: KernelModule,
+	}
+	artifactCfg.SupportedKernels = append(artifactCfg.SupportedKernels,
+		KernelMask{Ubuntu, "18.04", ".*"})
+	buf, err := toml.Marshal(&artifactCfg)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	var artifactCfgNew Artifact
+	err = toml.Unmarshal(buf, &artifactCfgNew)
+	if err != nil {
+		t.Fatal(err)
+	}
+}