diff --git a/src/vitis/vas/rest/class/vmlib/files/Files_manager.class.inc b/src/vitis/vas/rest/class/vmlib/files/Files_manager.class.inc
index 5b9f74380a5d40b0c52aaa2cb21b9c00ee91c667..b6e436956486cfd115ebceb805ce813c8b32d865 100644
--- a/src/vitis/vas/rest/class/vmlib/files/Files_manager.class.inc
+++ b/src/vitis/vas/rest/class/vmlib/files/Files_manager.class.inc
@@ -26,11 +26,11 @@ class Files_manager{
     function __construct($oProperties){
         $this->oProperties = $oProperties;
         // Dans tous les cas on peut avoir besoin d'accéder au système local
-        $this->$oLocalInterface = new Local_files ($oProperties);
+        $this->oLocalInterface = new Local_files ($oProperties);
         // Séléction du mode principal
         switch ($oProperties["filesystem"]) {
             case 'fs':
-                $this->oFileInterface = $this->$oLocalInterface;
+                $this->oFileInterface = $this->oLocalInterface;
                 break;
             case 's3':
                 $this->oFileInterface = new S3_files ($oProperties);