diff --git a/extra_test.go b/extra_test.go
index bddfe3f..6775ec2 100644
--- a/extra_test.go
+++ b/extra_test.go
@@ -71,17 +71,29 @@ func (s *myIDs) Put(value []byte) {
 }
 
 func TestAutogeneratedIDs(t *testing.T) {
-	ctx := parser.NewContext(parser.WithIDs(&myIDs{}))
+	ctx := parser.NewContext()
 	markdown := New(WithParserOptions(parser.WithAutoHeadingID()))
-	source := []byte("# Title1\n## Title2")
+
+	source := []byte("## Não há quem goste de dor")
 	var b bytes.Buffer
 	err := markdown.Convert(source, &b, parser.WithContext(ctx))
 	if err != nil {
 		t.Error(err.Error())
 	}
-	if b.String() != `<h1 id="my-id">Title1</h1>
-<h2 id="my-id">Title2</h2>
-` {
+	if b.String() != `<h2 id="não-há-quem-goste-de-dor">Não há quem goste de dor</h2>
+	` {
 		t.Errorf("%s\n---------\n%s", source, b.String())
 	}
+
+	source = []byte("## 봄 꿀밤  단 꿀밤 v1.0 (2019년-1월-1일)\n### 가을  꿀밤 안단  꿀밤 v2.0  (2020년_12월_31일)")
+	var b2 bytes.Buffer
+	err = markdown.Convert(source, &b2, parser.WithContext(ctx))
+	if err != nil {
+		t.Error(err.Error())
+	}
+	if b2.String() != `<h2 id="봄-꿀밤-단-꿀밤-v1-0-2019년-1월-1일">봄 꿀밤  단 꿀밤 v1.0 (2019년-1월-1일)</h2>
+	<h3 id="가을-꿀밤-안단-꿀밤-v2-0-2020년-12월-31일">가을  꿀밤 안단  꿀밤 v2.0  (2020년_12월_31일)</h3>
+	` {
+		t.Errorf("%s\n---------\n%s", source, b2.String())
+	}
 }