diff --git a/htdocs/expedition/shipment.php b/htdocs/expedition/shipment.php
index 58d65eea6d3..9af5bd25811 100644
--- a/htdocs/expedition/shipment.php
+++ b/htdocs/expedition/shipment.php
@@ -723,7 +723,7 @@ if ($id > 0 || ! empty($ref))
 				{
 					print '<td>'.$langs->trans("WarehouseSource").'</td>';
 					print '<td>';
-					print $formproduct->selectWarehouses(! empty($commande->warehouse_id)?$commande->warehouse_id:-1,'entrepot_id','',1);
+					print $formproduct->selectWarehouses(! empty($commande->warehouse_id)?$commande->warehouse_id:-1, 'entrepot_id', '', 1, 0, 0, '', 0, 0, array(), 'minwidth200');
 					if (count($formproduct->cache_warehouses) <= 0)
 					{
 						print ' &nbsp; '.$langs->trans("WarehouseSourceNotDefined").' <a href="'.DOL_URL_ROOT.'/product/stock/card.php?action=create">'.$langs->trans("AddOne").'</a>';
diff --git a/htdocs/product/class/html.formproduct.class.php b/htdocs/product/class/html.formproduct.class.php
index 27b8e6f3ba2..b3fd124b21c 100644
--- a/htdocs/product/class/html.formproduct.class.php
+++ b/htdocs/product/class/html.formproduct.class.php
@@ -137,7 +137,7 @@ class FormProduct
 	 *  @param	array	$events			events to add to select2
 	 * 	@return	string					HTML select
 	 */
-	function selectWarehouses($selected='',$htmlname='idwarehouse',$filtertype='',$empty=0,$disabled=0,$fk_product=0,$empty_label='', $showstock=0, $forcecombo=0, $events=array())
+	function selectWarehouses($selected='',$htmlname='idwarehouse',$filtertype='',$empty=0,$disabled=0,$fk_product=0,$empty_label='', $showstock=0, $forcecombo=0, $events=array(), $morecss='')
 	{
 		global $conf,$langs,$user;
 
@@ -156,7 +156,7 @@ class FormProduct
 			$nodatarole=($comboenhancement?' data-role="none"':'');
 		}
 		
-		$out.='<select class="flat"'.($disabled?' disabled':'').' id="'.$htmlname.'" name="'.($htmlname.($disabled?'_disabled':'')).'"'.$nodatarole.'>';
+		$out.='<select class="flat'.($morecss?' '.$morecss:'').'"'.($disabled?' disabled':'').' id="'.$htmlname.'" name="'.($htmlname.($disabled?'_disabled':'')).'"'.$nodatarole.'>';
 		if ($empty) $out.='<option value="-1">'.($empty_label?$empty_label:'&nbsp;').'</option>';
 		foreach($this->cache_warehouses as $id => $arraytypes)
 		{