diff --git a/src/Stringy.php b/src/Stringy.php
index e26c24d..7cc3649 100644
--- a/src/Stringy.php
+++ b/src/Stringy.php
@@ -714,8 +714,10 @@ class Stringy implements \Countable, \IteratorAggregate, \ArrayAccess
     {
         $stringy = self::create($this->str, $this->encoding);
 
-        $stringy->str = preg_replace("/[^a-zA-Z\d $replacement]/u", '',
+        $stringy->str = preg_replace("/[^a-zA-Z\d\- $replacement]/u", '',
             $stringy->toAscii());
+
+        $stringy->str = preg_replace('/\-/u', ' ', $stringy->str);
         $stringy->str = $stringy->collapseWhitespace()->str;
         $stringy->str = str_replace(' ', $replacement, strtolower($stringy));
         $stringy->str = preg_replace("/[$replacement]+/u", $replacement, $stringy);
diff --git a/tests/CommonTest.php b/tests/CommonTest.php
index b1a46cb..aa4e620 100644
--- a/tests/CommonTest.php
+++ b/tests/CommonTest.php
@@ -345,7 +345,8 @@ abstract class CommonTest extends PHPUnit_Framework_TestCase
             //array('barzi-i-yarostni', 'бързи и яростни'),
             array('podekhal-k-podezdu-moego-doma', 'подъехал к подъезду моего дома'),
             array('foo:bar:baz', 'Foo bar baz', ':'),
-            array('a_string_with_underscores', 'A_string with_underscores', '_')
+            array('a_string_with_underscores', 'A_string with_underscores', '_'),
+            array('a_string_with_dashes', 'A string-with-dashes', '_')
         );
     }