diff --git a/htdocs/product/stock/class/mouvementstock.class.php b/htdocs/product/stock/class/mouvementstock.class.php
index f27dfa4a70e..35b22cd8759 100644
--- a/htdocs/product/stock/class/mouvementstock.class.php
+++ b/htdocs/product/stock/class/mouvementstock.class.php
@@ -1039,4 +1039,36 @@ class MouvementStock extends CommonObject
 			return $langs->trans('StatusNotApplicable').' '.img_picto($langs->trans('StatusNotApplicable'),'statut9');
 		}
 	}
+
+	/**
+	 *	Create object on disk
+	 *
+	 *	@param     string		$modele			force le modele a utiliser ('' to not force)
+	 * 	@param     Translate	$outputlangs	Object langs to use for output
+	 *  @param     int			$hidedetails    Hide details of lines
+	 *  @param     int			$hidedesc       Hide description
+	 *  @param     int			$hideref        Hide ref
+	 *  @return    int             				0 if KO, 1 if OK
+	 */
+	public function generateDocument($modele, $outputlangs='',$hidedetails=0,$hidedesc=0,$hideref=0)
+	{
+		global $conf,$user,$langs;
+	
+		$langs->load("stocks");
+
+		if (! dol_strlen($modele)) {
+
+			$modele = 'stdmovement';
+
+			if ($this->modelpdf) {
+				$modele = $this->modelpdf;
+			} elseif (! empty($conf->global->MOUVEMENT_ADDON_PDF)) {
+				$modele = $conf->global->MOUVEMENT_ADDON_PDF;
+			}
+		}
+
+		$modelpath = "core/modules/stock/doc/";
+
+		return $this->commonGenerateDocument($modelpath, $modele, $outputlangs, $hidedetails, $hidedesc, $hideref);
+	}
 }