diff --git a/composer.phar b/composer.phar
new file mode 100755
index 0000000..502d1e7
Binary files /dev/null and b/composer.phar differ
diff --git a/spec/Coduo/PHPHumanizer/StringSpec.php b/spec/Coduo/PHPHumanizer/StringSpec.php
index 0143dc2..a360bff 100644
--- a/spec/Coduo/PHPHumanizer/StringSpec.php
+++ b/spec/Coduo/PHPHumanizer/StringSpec.php
@@ -2,6 +2,7 @@
 
 namespace spec\Coduo\PHPHumanizer;
 
+use Coduo\PHPHumanizer\String\Humanize;
 use PhpSpec\ObjectBehavior;
 use Prophecy\Argument;
 
@@ -12,6 +13,11 @@ function it_humanize_string()
         $this->humanize('news_count')->shouldReturn('News count');
     }
 
+    function it_humanize_string_with_special_character()
+    {
+        $this->humanize('news-count', true, '-')->shouldReturn('News count');
+    }
+
     function it_humanize_strings_without_capitalize()
     {
         $this->humanize('user', false)->shouldReturn('user');
diff --git a/src/Coduo/PHPHumanizer/String.php b/src/Coduo/PHPHumanizer/String.php
index a9a268b..38dd31b 100644
--- a/src/Coduo/PHPHumanizer/String.php
+++ b/src/Coduo/PHPHumanizer/String.php
@@ -7,9 +7,9 @@
 
 class String
 {
-    public static function humanize($text, $capitalize = true)
+    public static function humanize($text, $capitalize = true, $separator = '_')
     {
-        return (string) new Humanize($text, $capitalize);
+        return (string) new Humanize($text, $capitalize, $separator);
     }
 
     public static function truncate($text, $charactersCount, $append = '')
diff --git a/src/Coduo/PHPHumanizer/String/Humanize.php b/src/Coduo/PHPHumanizer/String/Humanize.php
index 5da7e8f..d4eaa17 100644
--- a/src/Coduo/PHPHumanizer/String/Humanize.php
+++ b/src/Coduo/PHPHumanizer/String/Humanize.php
@@ -15,30 +15,35 @@ class Humanize
     private $text;
 
     /**
-     * @var bool
+     * @var boolean
      */
     private $capitalize;
 
+    /**
+     * @var string
+     */
+    private $separator;
+
     /**
      * @param $text
      * @param bool $capitalize
+     * @param string $separator
      */
-    public function __construct($text, $capitalize = true)
+    public function __construct($text, $capitalize = true, $separator = '_')
     {
         $this->text = $text;
         $this->capitalize = $capitalize;
+        $this->separator = $separator;
     }
 
     /**
      * @internal param bool $capitalize
-     *
      * @return string
      */
     public function __toString()
     {
-        $humanized = trim(mb_strtolower(preg_replace(array('/([A-Z])/', '/[_\s]+/'), array('_$1', ' '), $this->text)));
-        $humanized = trim(str_replace($this->forbiddenWords, '', $humanized));
-
+        $humanized = trim(strtolower(preg_replace(array('/([A-Z])/', "/[{$this->separator}\\s]+/"), array('_$1', ' '), $this->text)));
+        $humanized = trim(str_replace($this->forbiddenWords, "", $humanized));
         return $this->capitalize ?  ucfirst($humanized) : $humanized;
     }
 }