diff --git a/php/elFinderVolumeDriver.class.php b/php/elFinderVolumeDriver.class.php
index 05be72286..4bfd4cf62 100644
--- a/php/elFinderVolumeDriver.class.php
+++ b/php/elFinderVolumeDriver.class.php
@@ -878,7 +878,7 @@ abstract class elFinderVolumeDriver {
 
 		// root attributes
 		$this->attributes[] = array(
-			'pattern' => '~^'.preg_quote(DIRECTORY_SEPARATOR).'$~',
+			'pattern' => '~^'.preg_quote($this->separator).'$~',
 			'locked'  => true,
 			'hidden'  => false
 		);
@@ -2826,7 +2826,7 @@ abstract class elFinderVolumeDriver {
 			$p = $this->relpathCE($path);
 			// if reqesting root dir $path will be empty, then assign '/' as we cannot leave it blank for crypt
 			if ($p === '')	{
-				$p = DIRECTORY_SEPARATOR;
+				$p = $this->separator;
 			}
 
 			// TODO crypt path and return hash
@@ -2859,7 +2859,7 @@ abstract class elFinderVolumeDriver {
 			// TODO uncrypt hash and return path
 			$path = $this->uncrypt($h); 
 			// append ROOT to path after it was cut in encode
-			return $this->abspathCE($path);//$this->root.($path == DIRECTORY_SEPARATOR ? '' : DIRECTORY_SEPARATOR.$path); 
+			return $this->abspathCE($path);//$this->root.($path === $this->separator ? '' : $this->separator.$path); 
 		}
         //TODO: Add return statement here
 	}
diff --git a/php/elFinderVolumeFTP.class.php b/php/elFinderVolumeFTP.class.php
index b6e46ca6c..90a938b13 100644
--- a/php/elFinderVolumeFTP.class.php
+++ b/php/elFinderVolumeFTP.class.php
@@ -95,6 +95,7 @@ class elFinderVolumeFTP extends elFinderVolumeDriver {
 			'owner'         => true,
 			'tmbPath'       => '',
 			'tmpPath'       => '',
+			'separator'     => '/',
 			'dirMode'       => 0755,
 			'fileMode'      => 0644,
 			'rootCssClass'  => 'elfinder-navbar-root-ftp'
@@ -519,10 +520,12 @@ class elFinderVolumeFTP extends elFinderVolumeDriver {
 	 *
 	 * @param  string  $path  file path
 	 * @return string
-	 * @author Dmitry (dio) Levashov
+	 * @author Naoki Sawada
 	 **/
 	protected function _dirname($path) {
-		return dirname($path);
+		$parts = explode($this->separator, trim($path, $this->separator));
+		array_pop($parts);
+		return $this->separator .  join($this->separator, $parts);
 	}
 
 	/**
@@ -530,10 +533,11 @@ class elFinderVolumeFTP extends elFinderVolumeDriver {
 	 *
 	 * @param  string  $path  file path
 	 * @return string
-	 * @author Dmitry (dio) Levashov
+	 * @author Naoki Sawada
 	 **/
 	protected function _basename($path) {
-		return basename($path);
+		$parts = explode($this->separator, trim($path, $this->separator));
+		return array_pop($parts);
 	}
 
 	/**