Index: typo3/class.filelistfoldertree.php
===================================================================
--- typo3/class.filelistfoldertree.php	(revision 6849)
+++ typo3/class.filelistfoldertree.php	(working copy)
@@ -334,7 +334,7 @@
 				$hasSub = true;
 			}
 				// Add the root of the mount to ->tree
-			$this->tree[] = array('HTML' => $firstHtml, 'row' => $row, 'bank' => $this->bank, 'hasSub' => $hasSub);
+			$this->tree[$val['name']] = array('HTML' => $firstHtml, 'row' => $row, 'bank' => $this->bank, 'hasSub' => $hasSub);
 
 				// If the mount is expanded, go down:
 			if ($isOpen)
@@ -343,6 +343,7 @@
 				// Add tree:
 			$treeArr = array_merge($treeArr, $this->tree);
 		}
+		ksort($treeArr);
 		return $this->printTree($treeArr);
 	}