diff --git a/src/main/java/org/jsoup/parser/HtmlTreeBuilder.java b/src/main/java/org/jsoup/parser/HtmlTreeBuilder.java
index 22cf0bcef7..cfd7ef1b91 100644
--- a/src/main/java/org/jsoup/parser/HtmlTreeBuilder.java
+++ b/src/main/java/org/jsoup/parser/HtmlTreeBuilder.java
@@ -231,7 +231,7 @@ void insert(Element el) {
Element insertEmpty(Token.StartTag startTag) {
Tag tag = Tag.valueOf(startTag.name(), settings);
- Element el = new Element(tag, null, startTag.attributes);
+ Element el = new Element(tag, null, settings.normalizeAttributes(startTag.attributes));
insertNode(el);
if (startTag.isSelfClosing()) {
if (tag.isKnownTag()) {
diff --git a/src/test/java/org/jsoup/parser/HtmlParserTest.java b/src/test/java/org/jsoup/parser/HtmlParserTest.java
index 8a145e43ed..001950cfa9 100644
--- a/src/test/java/org/jsoup/parser/HtmlParserTest.java
+++ b/src/test/java/org/jsoup/parser/HtmlParserTest.java
@@ -1090,6 +1090,12 @@ public void testInvalidTableContents() throws IOException {
assertEquals("One", TextUtil.stripNewlines(div.nextElementSibling().outerHtml()));
}
+ @Test public void testHtmlLowerCaseOfVoidTags() {
+ String html = "![One]()
";
+ Document doc = Jsoup.parse(html);
+ assertEquals(" ![\"One\"]()
", StringUtil.normaliseWhitespace(doc.outerHtml()));
+ }
+
@Test public void canPreserveTagCase() {
Parser parser = Parser.htmlParser();
parser.settings(new ParseSettings(true, false));