diff --git a/php/elFinderVolumeDriver.class.php b/php/elFinderVolumeDriver.class.php
index f91d0f584..ad5ed2470 100644
--- a/php/elFinderVolumeDriver.class.php
+++ b/php/elFinderVolumeDriver.class.php
@@ -541,7 +541,7 @@ abstract class elFinderVolumeDriver {
 	 * @author Alexey Sukhotin
 	 **/
 	public function mount(array $opts) {
-		if ($opts['path'] === '') {
+		if (!isset($opts['path']) || $opts['path'] === '') {
 			return false;
 		}
 		
diff --git a/php/elFinderVolumeMySQL.class.php b/php/elFinderVolumeMySQL.class.php
index c8a202195..52861155d 100644
--- a/php/elFinderVolumeMySQL.class.php
+++ b/php/elFinderVolumeMySQL.class.php
@@ -577,7 +577,7 @@ class elFinderVolumeMySQL extends elFinderVolumeDriver {
 	 * @author Dmitry (dio) Levashov
 	 **/
 	protected function _dimensions($path, $mime) {
-		return ($stat = $this->stat($path)) && $stat['width'] && $stat['height'] ? $stat['width'].'x'.$stat['height'] : '';
+		return ($stat = $this->stat($path)) && isset($stat['width']) && isset($stat['height']) ? $stat['width'].'x'.$stat['height'] : '';
 	}
 	
 	/******************** file/dir content *********************/