diff --git a/htdocs/contrat/services.php b/htdocs/contrat/services.php
index 2fdec21f735..6534ef1e362 100644
--- a/htdocs/contrat/services.php
+++ b/htdocs/contrat/services.php
@@ -332,7 +332,7 @@ if ($conf->categorie->enabled && ($user->rights->produit->lire || $user->rights-
     $moreforfilter.='<div class="divsearchfield">';
     $moreforfilter.=$langs->trans('IncludingProductWithTag'). ': ';
     $cate_arbo = $form->select_all_categories(Categorie::TYPE_PRODUCT, null, 'parent', null, null, 1);
-    $moreforfilter.=$form->selectarray('search_product_category', $cate_arbo, $search_product_category, 1, 0, 0, '', 0, 0, 0, 0, '', 1);
+    $moreforfilter.=$form->selectarray('search_product_category', $cate_arbo, $search_product_category, 1, 0, 0, '', 0, 0, 0, 0, 'maxwidth300', 1);
     $moreforfilter.='</div>';
 }
 
@@ -523,7 +523,6 @@ while ($i < min($num,$limit))
 	$contractstatic->ref=$obj->ref?$obj->ref:$obj->cid;
 
 
-
 	print '<tr class="oddeven">';
 
 	// Ref