diff --git a/htdocs/projet/class/project.class.php b/htdocs/projet/class/project.class.php
index a704c7d641e..e63cbe80fee 100644
--- a/htdocs/projet/class/project.class.php
+++ b/htdocs/projet/class/project.class.php
@@ -338,7 +338,7 @@ class Project extends CommonObject
                 		if (file_exists($olddir))
                 		{
 							include_once DOL_DOCUMENT_ROOT . '/core/lib/files.lib.php';
-							$res=dol_move($olddir, $newdir);
+							$res=@rename($olddir, $newdir);
 							if (! $res)
                 			{
 							    $langs->load("errors");
@@ -723,10 +723,10 @@ class Project extends CommonObject
             return -1;
         }
     }
-    
+
     /**
      * 		Delete tasks with no children first, then task with children recursively
-     *  
+     *
      *  	@param     	User		$user		User
      *		@return		int				<0 if KO, 1 if OK
      */
@@ -754,7 +754,7 @@ class Project extends CommonObject
         {
             if (count($this->lines)) $this->deleteTasks($this->lines);
         }
-        
+
         return 1;
     }