diff --git a/spec/Coduo/PHPHumanizer/StringSpec.php b/spec/Coduo/PHPHumanizer/StringSpec.php
index 6d2125e..6e8deeb 100644
--- a/spec/Coduo/PHPHumanizer/StringSpec.php
+++ b/spec/Coduo/PHPHumanizer/StringSpec.php
@@ -52,20 +52,20 @@ function it_truncate_string_to_word_closest_to_a_certain_number_of_characters_wi
         $text = '<p><b>HyperText Markup Language</b>, commonly referred to as <b>HTML</b>, is the standard <a href="/wiki/Markup_language" title="Markup language">markup language</a> used to create <a href="/wiki/Web_page" title="Web page">web pages</a>.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span>[</span>1<span>]</span></a></sup> <a href="/wiki/Web_browser" title="Web browser">Web browsers</a> can read HTML files and render them into visible or audible web pages. HTML describes the structure of a <a href="/wiki/Website" title="Website">website</a> <a href="/wiki/Semantic" title="Semantic" class="mw-redirect">semantically</a> along with cues for presentation, making it a markup language, rather than a <a href="/wiki/Programming_language" title="Programming language">programming language</a>.</p>';
 
         // Test with allowed tags
-        $this->truncateHtml($text, 3)->shouldReturn("<b>HyperText</b>");
-        $this->truncateHtml($text, 12)->shouldReturn("<b>HyperText Markup</b>");
-        $this->truncateHtml($text, 30)->shouldReturn("<b>HyperText Markup Language</b>, commonly");
-        $this->truncateHtml($text, 50)->shouldReturn("<b>HyperText Markup Language</b>, commonly referred to as");
-        $this->truncateHtml($text, 75)->shouldReturn('<b>HyperText Markup Language</b>, commonly referred to as <b>HTML</b>, is the standard <a href="/wiki/Markup_language" title="Markup language">markup</a>');
-        $this->truncateHtml($text, 100)->shouldReturn('<b>HyperText Markup Language</b>, commonly referred to as <b>HTML</b>, is the standard <a href="/wiki/Markup_language" title="Markup language">markup language</a> used to create');
+        $this->truncateHtml($text, 3, '<b><i><u><em><strong><a><span>')->shouldReturn("<b>HyperText</b>");
+        $this->truncateHtml($text, 12, '<b><i><u><em><strong><a><span>')->shouldReturn("<b>HyperText Markup</b>");
+        $this->truncateHtml($text, 30, '<b><i><u><em><strong><a><span>')->shouldReturn("<b>HyperText Markup Language</b>, commonly");
+        $this->truncateHtml($text, 50, '<b><i><u><em><strong><a><span>')->shouldReturn("<b>HyperText Markup Language</b>, commonly referred to as");
+        $this->truncateHtml($text, 75, '<b><i><u><em><strong><a><span>')->shouldReturn('<b>HyperText Markup Language</b>, commonly referred to as <b>HTML</b>, is the standard <a href="/wiki/Markup_language" title="Markup language">markup</a>');
+        $this->truncateHtml($text, 100, '<b><i><u><em><strong><a><span>')->shouldReturn('<b>HyperText Markup Language</b>, commonly referred to as <b>HTML</b>, is the standard <a href="/wiki/Markup_language" title="Markup language">markup language</a> used to create');
 
         // Test without tags
 
-        $this->truncateHtml($text, 3, '')->shouldReturn("HyperText");
-        $this->truncateHtml($text, 12, '')->shouldReturn("HyperText Markup");
-        $this->truncateHtml($text, 50, '')->shouldReturn("HyperText Markup Language, commonly referred to as");
-        $this->truncateHtml($text, 75, '')->shouldReturn('HyperText Markup Language, commonly referred to as HTML, is the standard markup');
-        $this->truncateHtml($text, 100, '')->shouldReturn('HyperText Markup Language, commonly referred to as HTML, is the standard markup language used to create');
+        $this->truncateHtml($text, 3)->shouldReturn("HyperText");
+        $this->truncateHtml($text, 12)->shouldReturn("HyperText Markup");
+        $this->truncateHtml($text, 50)->shouldReturn("HyperText Markup Language, commonly referred to as");
+        $this->truncateHtml($text, 75)->shouldReturn('HyperText Markup Language, commonly referred to as HTML, is the standard markup');
+        $this->truncateHtml($text, 100)->shouldReturn('HyperText Markup Language, commonly referred to as HTML, is the standard markup language used to create');
 
         // Test with append
         $this->truncateHtml($text, 50, '', '...')->shouldReturn("HyperText Markup Language, commonly referred to as...");
diff --git a/src/Coduo/PHPHumanizer/String.php b/src/Coduo/PHPHumanizer/String.php
index 74b28e9..13b1a85 100644
--- a/src/Coduo/PHPHumanizer/String.php
+++ b/src/Coduo/PHPHumanizer/String.php
@@ -39,7 +39,7 @@ public static function truncate($text, $charactersCount, $append = '')
      * @param string $append
      * @return string
      */
-    public static function truncateHtml($text, $charactersCount, $allowedTags = '<b><i><u><em><strong><a><span>', $append = '')
+    public static function truncateHtml($text, $charactersCount, $allowedTags = '', $append = '')
     {
         $truncate = new HtmlTruncate(new WordBreakpoint(), $allowedTags, $append);
         
diff --git a/src/Coduo/PHPHumanizer/String/HtmlTruncate.php b/src/Coduo/PHPHumanizer/String/HtmlTruncate.php
index 474d985..5e011b1 100644
--- a/src/Coduo/PHPHumanizer/String/HtmlTruncate.php
+++ b/src/Coduo/PHPHumanizer/String/HtmlTruncate.php
@@ -24,7 +24,7 @@ class HtmlTruncate implements TruncateInterface
      * @param string     $allowedTags
      * @param string     $append
      */
-    public function __construct(Breakpoint $breakpoint, $allowedTags = '<b><i><u><em><strong><a><span>', $append = '')
+    public function __construct(Breakpoint $breakpoint, $allowedTags = '', $append = '')
     {
         $this->breakpoint = $breakpoint;
         $this->append = $append;