diff --git a/main.go b/main.go
index 2c4d406..2fb2d57 100644
--- a/main.go
+++ b/main.go
@@ -38,11 +38,12 @@ type GHDoc struct {
 	Depth    int
 	Escape   bool
 	GhToken  string
+	Indent   int
 }
 
 // NewGHDoc create GHDoc
-func NewGHDoc(Path string, AbsPaths bool, Depth int, Escape bool, Token string) *GHDoc {
-	return &GHDoc{Path, AbsPaths, Depth, Escape, Token}
+func NewGHDoc(Path string, AbsPaths bool, Depth int, Escape bool, Token string, Indent int) *GHDoc {
+	return &GHDoc{Path, AbsPaths, Depth, Escape, Token, Indent}
 }
 
 // GetToc return GHToc for a document
@@ -52,9 +53,9 @@ func (doc *GHDoc) GetToc() *GHToc {
 		return nil
 	}
 	if doc.AbsPaths {
-		return GrabTocX(htmlBody, doc.Path, doc.Depth, doc.Escape)
+		return GrabTocX(htmlBody, doc.Path, doc.Depth, doc.Escape, doc.Indent)
 	}
-	return GrabTocX(htmlBody, "", doc.Depth, doc.Escape)
+	return GrabTocX(htmlBody, "", doc.Depth, doc.Escape, doc.Indent)
 }
 
 //
@@ -126,6 +127,13 @@ func removeStuf(s string) string {
 	return res
 }
 
+// generate func of custom spaces indentation
+func generateListIndentation(spaces int) func() string {
+	return func() string {
+		return strings.Repeat(" ", spaces)
+	}
+}
+
 // Public
 
 // EscapeSpecChars Escapes special characters
@@ -174,17 +182,18 @@ func ConvertMd2Html(localpath string, token string) (string, error) {
 }
 
 // GrabToc Create TOC by html from github
-func GrabToc(html string, absPath string, depth int) *GHToc {
-	return GrabTocX(html, absPath, depth, true)
+func GrabToc(html string, absPath string, depth int, indent int) *GHToc {
+	return GrabTocX(html, absPath, depth, true, indent)
 }
 
 // GrabTocX Create TOC
-func GrabTocX(html string, absPath string, depth int, escape bool) *GHToc {
+func GrabTocX(html string, absPath string, depth int, escape bool, indent int) *GHToc {
 	re := `(?si)<h(?P<num>[1-6])>\s*` +
 		`<a\s*id="user-content-[^"]*"\s*class="anchor"\s*` +
 		`href="(?P<href>[^"]*)"[^>]*>\s*` +
 		`.*?</a>(?P<name>.*?)</h`
 	r := regexp.MustCompile(re)
+	listIndentation := generateListIndentation(indent)
 
 	toc := GHToc{}
 	minHeaderNum := 6
@@ -223,7 +232,7 @@ func GrabTocX(html string, absPath string, depth int, escape bool) *GHToc {
 		if escape {
 			tmpSection = EscapeSpecChars(tmpSection)
 		}
-		tocItem := strings.Repeat("  ", n-minHeaderNum) + "* " +
+		tocItem := strings.Repeat(listIndentation(), n-minHeaderNum) + "* " +
 			"[" + tmpSection + "]" +
 			"(" + link + ")"
 		//fmt.Println(tocItem)
@@ -244,6 +253,8 @@ func main() {
 		"How many levels of headings to include. Defaults to 0 (all)").Default("0").Int()
 	noEscape := kingpin.Flag("no-escape", "Do not escape chars in sections").Bool()
 	token := kingpin.Flag("token", "GitHub personal token").String()
+	indent := kingpin.Flag("indent",
+		"Indent space of generated list").Default("2").Int()
 
 	kingpin.Version(version)
 	kingpin.Parse()
@@ -266,7 +277,7 @@ func main() {
 	ch := make(chan *GHToc, pathsCount)
 
 	for _, p := range *paths {
-		ghdoc := NewGHDoc(p, absPathsInToc, *depth, !*noEscape, *token)
+		ghdoc := NewGHDoc(p, absPathsInToc, *depth, !*noEscape, *token, *indent)
 		if *serial {
 			ch <- ghdoc.GetToc()
 		} else {
@@ -292,7 +303,7 @@ func main() {
 		defer os.Remove(file.Name())
 
 		check(ioutil.WriteFile(file.Name(), bytes, 0644))
-		NewGHDoc(file.Name(), false, *depth, !*noEscape, *token).GetToc().Print()
+		NewGHDoc(file.Name(), false, *depth, !*noEscape, *token, *indent).GetToc().Print()
 	}
 
 	fmt.Println("Created by [gh-md-toc](https://github.com/ekalinin/github-markdown-toc.go)")
diff --git a/main_test.go b/main_test.go
index e477825..050d10a 100644
--- a/main_test.go
+++ b/main_test.go
@@ -20,7 +20,7 @@ func Test_GrabTocOneRow(t *testing.T) {
 	}
 	toc := *GrabToc(`
 	<h1><a id="user-content-readme-in-another-language" class="anchor" href="#readme-in-another-language" aria-hidden="true"><span class="octicon octicon-link"></span></a>README in another language</h1>
-	`, "", 0)
+	`, "", 0, 2)
 	if toc[0] != tocExpected[0] {
 		t.Error("Res :", toc, "\nExpected     :", tocExpected)
 	}
@@ -37,7 +37,7 @@ func Test_GrabTocOneRowWithNewLines(t *testing.T) {
 		</a>
 		README in another language
 	</h1>
-	`, "", 0)
+	`, "", 0, 2)
 	if toc[0] != tocExpected[0] {
 		t.Error("Res :", toc, "\nExpected     :", tocExpected)
 	}
@@ -67,7 +67,7 @@ case you need to implement 2 functions in the plugin's body:</p>
 
 <p>This function should return list of available versions of the plugin.
 For example:</p>
-	`, "", 0)
+	`, "", 0, 2)
 	for i := 0; i <= len(tocExpected)-1; i++ {
 		if toc[i] != tocExpected[i] {
 			t.Error("Res :", toc[i], "\nExpected     :", tocExpected[i])
@@ -105,7 +105,7 @@ func Test_GrabTocBackquoted(t *testing.T) {
 <a id="user-content-the-command-bar2-is-better" class="anchor" href="#the-command-bar2-is-better" aria-hidden="true"><span class="octicon octicon-link"></span></a>The command <code>bar2</code> is better</h2>
 
 <p>Blabla...</p>
-	`, "", 0)
+	`, "", 0, 2)
 
 	for i := 0; i <= len(tocExpected)-1; i++ {
 		if toc[i] != tocExpected[i] {
@@ -142,7 +142,7 @@ func Test_GrabTocDepth(t *testing.T) {
 <a id="user-content-the-command-bar2-is-better" class="anchor" href="#the-command-bar2-is-better" aria-hidden="true"><span class="octicon octicon-link"></span></a>The command <code>bar2</code> is better</h2>
 
 <p>Blabla...</p>
-	`, "", 1)
+	`, "", 1, 2)
 
 	// fmt.Println(toc)
 
@@ -160,7 +160,7 @@ func Test_GrabTocWithAbspath(t *testing.T) {
 	}
 	toc := *GrabToc(`
 	<h1><a id="user-content-readme-in-another-language" class="anchor" href="#readme-in-another-language" aria-hidden="true"><span class="octicon octicon-link"></span></a>README in another language</h1>
-	`, link, 0)
+	`, link, 0, 2)
 	if toc[0] != tocExpected[0] {
 		t.Error("Res :", toc, "\nExpected     :", tocExpected)
 	}
@@ -178,13 +178,39 @@ func Test_EscapedChars(t *testing.T) {
 				<span class="octicon octicon-link"></span>
 			</a>
 			mod_*
-		</h2>`, "", 0)
+		</h2>`, "", 0, 2)
 
 	if toc[0] != tocExpected[0] {
 		t.Error("Res :", toc, "\nExpected     :", tocExpected)
 	}
 }
 
+func Test_CustomSpaceIndentation(t *testing.T) {
+	tocExpected := []string{
+		"* [Header Level1](#header-level1)",
+		"    * [Header Level2](#header-level2)",
+		"        * [Header Level3](#header-level3)",
+	}
+
+	toc := *GrabToc(`
+<h1>
+<a id="user-content-the-command-level1" class="anchor" href="#header-level1" aria-hidden="true"><span class="octicon octicon-link"></span></a>Header Level1
+</h1>
+<h2>
+<a id="user-content-the-command-level2" class="anchor" href="#header-level2" aria-hidden="true"><span class="octicon octicon-link"></span></a>Header Level2
+</h2>
+<h3>
+<a id="user-content-the-command-level3" class="anchor" href="#header-level3" aria-hidden="true"><span class="octicon octicon-link"></span></a>Header Level3
+</h3>
+	`, "", 0, 4) // use 4 spaces indent
+
+	for i := 0; i <= len(tocExpected)-1; i++ {
+		if toc[i] != tocExpected[i] {
+			t.Error("Res :", toc[i], "\nExpected      :", tocExpected[i])
+		}
+	}
+}
+
 func Test_MinHeaderNumber(t *testing.T) {
 	tocExpected := []string{
 		"* [foo](#foo)",
@@ -204,7 +230,7 @@ func Test_MinHeaderNumber(t *testing.T) {
 			</a>
 			bar
 		</h3>
-		`, "", 0)
+		`, "", 0, 2)
 
 	if toc[0] != tocExpected[0] {
 		t.Error("Res :", toc, "\nExpected     :", tocExpected)