diff --git a/htdocs/contact/list.php b/htdocs/contact/list.php
index ca427fb2794..7dad73cdb1c 100644
--- a/htdocs/contact/list.php
+++ b/htdocs/contact/list.php
@@ -307,8 +307,10 @@ $form = new Form($db);
 $formother = new FormOther($db);
 $formcompany = new FormCompany($db);
 $contactstatic = new Contact($db);
-$contactstatic->thirdparty->client=2;
-$contactstatic->loadCacheOfProspStatus();
+
+if (! empty($conf->global->THIRDPARTY_ENABLE_PROSPECTION_ON_ALTERNATIVE_ADRESSES)) {
+	$contactstatic->loadCacheOfProspStatus();
+}
 
 $title = (!empty($conf->global->SOCIETE_ADDRESSES_MANAGEMENT) ? $langs->trans("Contacts") : $langs->trans("ContactsAddresses"));