diff --git a/application/models/Mapper/BlogPost.php b/application/models/Mapper/BlogPost.php
index feb9a51..2da8c69 100644
--- a/application/models/Mapper/BlogPost.php
+++ b/application/models/Mapper/BlogPost.php
@@ -57,6 +57,15 @@ class Mapper_BlogPost extends Fiktiv_Model_Mapper_DbTableAbstract
         return null;
     }
 
+    public function findByPermalink($permalink)
+    {
+        if (is_string($permalink)) {
+            return $this->_createBlogPost($this->_dbTable->fetchRow($this->quoteInto('permalink LIKE ?', $permalink)));
+        }
+
+        return null;
+    }
+
     public function findAllPostByAuthor($user)
     {
         if ($user instanceof  User) {