diff --git a/htdocs/projet/list.php b/htdocs/projet/list.php
index 22aa51188f7..a978297d3af 100644
--- a/htdocs/projet/list.php
+++ b/htdocs/projet/list.php
@@ -899,7 +899,7 @@ if (!empty($conf->categorie->enabled) && $user->rights->categorie->lire) {
 	$moreforfilter .= $formcategory->getFilterBox(Categorie::TYPE_PROJECT, $search_category_array);
 }
 // Filter on customer categories
-if (!empty($conf->categorie->enabled) && $user->rights->categorie->lire) {
+if (!empty($conf->global->MAIN_SEARCH_CATEGORY_CUSTOMER_ON_LISTS) && !empty($conf->categorie->enabled) && $user->rights->categorie->lire) {
 	$moreforfilter .= '<div class="divsearchfield">';
 	$tmptitle = $langs->transnoentities('CustomersProspectsCategoriesShort');
 	$moreforfilter .= img_picto($tmptitle, 'category', 'class="pictofixedwidth"');