diff --git a/htdocs/societe/card.php b/htdocs/societe/card.php
index 204eff383d5..afec096a500 100644
--- a/htdocs/societe/card.php
+++ b/htdocs/societe/card.php
@@ -1321,7 +1321,7 @@ else
 			$langs->load('categories');
 
 			// Customer
-			if ($object->prospect || $object->client) {
+			if ($object->prospect || $object->client || (! $object->fournisseur && ! empty($conf->global->THIRDPARTY_CAN_HAVE_CATEGORY_EVEN_IF_NOT_CUSTOMER_PROSPECT_SUPPLIER))) {
 				print '<tr><td class="toptd">' . fieldLabel('CustomersCategoriesShort', 'custcats') . '</td><td colspan="3">';
 				$cate_arbo = $form->select_all_categories(Categorie::TYPE_CUSTOMER, null, 'parent', null, null, 1);
 				print $form->multiselectarray('custcats', $cate_arbo, GETPOST('custcats', 'array'), null, null, null,
@@ -1879,7 +1879,7 @@ else
 			if (! empty($conf->categorie->enabled)  && ! empty($user->rights->categorie->lire))
 			{
 				// Customer
-				if ($object->prospect || $object->client) {
+				if ($object->prospect || $object->client || (! $object->fournisseur && ! empty($conf->global->THIRDPARTY_CAN_HAVE_CATEGORY_EVEN_IF_NOT_CUSTOMER_PROSPECT_SUPPLIER))) {
 					print '<tr><td>' . fieldLabel('CustomersCategoriesShort', 'custcats') . '</td>';
 					print '<td colspan="3">';
 					$cate_arbo = $form->select_all_categories(Categorie::TYPE_CUSTOMER, null, null, null, null, 1);
@@ -2269,7 +2269,7 @@ else
 		if (! empty($conf->categorie->enabled)  && ! empty($user->rights->categorie->lire))
 		{
 			// Customer
-			if ($object->prospect || $object->client) {
+			if ($object->prospect || $object->client || (! $object->fournisseur && ! empty($conf->global->THIRDPARTY_CAN_HAVE_CATEGORY_EVEN_IF_NOT_CUSTOMER_PROSPECT_SUPPLIER))) {
 				print '<tr><td>' . $langs->trans("CustomersCategoriesShort") . '</td>';
 				print '<td>';
 				print $form->showCategories($object->id, 'customer', 1);