diff --git a/change_log.txt b/change_log.txt
index ab3887d1..8de26efb 100644
--- a/change_log.txt
+++ b/change_log.txt
@@ -2,6 +2,7 @@
  27.06.2015
   - bugfix resolve naming conflict between custom Smarty delimiter '<%' and PHP ASP tags https://github.com/smarty-php/smarty/issues/64
   - update $smarty->_realpath for relative path not starting with './'
+  - update Smarty security with new realpath handling
   
  19.06.2015
   - improvement allow closures as callback at $smarty->registerFilter() https://github.com/smarty-php/smarty/issues/59
diff --git a/libs/sysplugins/smarty_security.php b/libs/sysplugins/smarty_security.php
index af1ca553..da50eca3 100644
--- a/libs/sysplugins/smarty_security.php
+++ b/libs/sysplugins/smarty_security.php
@@ -492,7 +492,6 @@ class Smarty_Security
         if ($_template) {
             $this->_template_dir = $_template_dir;
             foreach ($_template_dir as $directory) {
-                $directory = realpath($directory);
                 $this->_resource_dir[$directory] = true;
             }
         }
@@ -501,8 +500,7 @@ class Smarty_Security
         if ($_config) {
             $this->_config_dir = $_config_dir;
             foreach ($_config_dir as $directory) {
-                $directory = realpath($directory);
-                $this->_resource_dir[$directory] = true;
+               $this->_resource_dir[$directory] = true;
             }
         }
 
@@ -510,13 +508,13 @@ class Smarty_Security
         if ($_secure) {
             $this->_secure_dir = $this->secure_dir;
             foreach ((array) $this->secure_dir as $directory) {
-                $directory = realpath($directory);
+                $directory = $this->smarty->_realpath($directory . DS);
                 $this->_resource_dir[$directory] = true;
             }
         }
 
-        $_filepath = realpath($filepath);
-        $directory = dirname($_filepath);
+        $_filepath = $filepath;
+        $directory = dirname($_filepath) . DS;
         $_directory = array();
         while (true) {
             // remember the directory to add it to _resource_dir in case we're successful
@@ -587,13 +585,13 @@ class Smarty_Security
 
             $this->_trusted_dir = $this->trusted_dir;
             foreach ((array) $this->trusted_dir as $directory) {
-                $directory = realpath($directory);
+                $directory = $this->smarty->_realpath($directory . DS);
                 $this->_php_resource_dir[$directory] = true;
             }
         }
 
-        $_filepath = realpath($filepath);
-        $directory = dirname($_filepath);
+        $_filepath = $this->smarty->_realpath($filepath);
+        $directory = dirname($_filepath) . DS;
         $_directory = array();
         while (true) {
             // remember the directory to add it to _resource_dir in case we're successful