diff --git a/main/inc/lib/document.lib.php b/main/inc/lib/document.lib.php
index ff0fa97e02..e95638b426 100644
--- a/main/inc/lib/document.lib.php
+++ b/main/inc/lib/document.lib.php
@@ -603,7 +603,7 @@ class DocumentManager
 				{
 					$document_folders[] = $row['path'];
 				}
-				sort($document_folders, SORT_ASC);
+				sort($document_folders);
 				//return results
 				return $document_folders;
 			}
@@ -661,13 +661,13 @@ class DocumentManager
 			if (is_array($visiblefolders) && is_array($invisiblefolders))
 			{
 				$document_folders = array_diff($visiblefolders, $invisiblefolders);
-				sort($document_folders, SORT_ASC);
+				sort($document_folders);
 				return $document_folders;
 			}
 			//only visible folders found
 			elseif (is_array($visiblefolders))
 			{
-				sort($visiblefolders, SORT_ASC);
+				sort($visiblefolders);
 				return $visiblefolders;
 			}
 			//no visible folders found
@@ -1072,4 +1072,4 @@ class DocumentManager
 
 }
 //end class DocumentManager
-?>
\ No newline at end of file
+?>