diff --git a/src/main/scala/gitbucket/core/view/Markdown.scala b/src/main/scala/gitbucket/core/view/Markdown.scala
index 763d4de..3a80b8f 100644
--- a/src/main/scala/gitbucket/core/view/Markdown.scala
+++ b/src/main/scala/gitbucket/core/view/Markdown.scala
@@ -167,8 +167,8 @@
     val child = node.getChildren.asScala.headOption
     val anchorName = child match {
       case Some(x: AnchorLinkNode) => x.getName
-      case Some(x: TextNode)       => x.getText // TODO
-      case _ => GitBucketHtmlSerializer.generateAnchorName(printChildrenToString(node))
+      case Some(x: TextNode)       => x.getText
+      case _ => GitBucketHtmlSerializer.generateAnchorName(extractText(node)) // TODO
     }
 
     printer.print(s"""<$tag class="markdown-head">""")
@@ -183,6 +183,15 @@
     printer.print(s"</$tag>")
   }
 
+  private def extractText(node: Node): String = {
+    val sb = new StringBuilder()
+    node.getChildren.asScala.map {
+      case x: TextNode => sb.append(x.getText)
+      case x: Node => sb.append(extractText(x))
+    }
+    sb.toString()
+  }
+
   override def visit(node: HeaderNode): Unit = {
     printHeaderTag(node)
   }