diff --git a/htdocs/comm/propal/list.php b/htdocs/comm/propal/list.php
index 6b717d3ea6f..f7e54d18fc1 100644
--- a/htdocs/comm/propal/list.php
+++ b/htdocs/comm/propal/list.php
@@ -204,8 +204,8 @@ $checkedtypetiers = 0;
 $arrayfields = array(
 	'p.ref'=>array('label'=>"Ref", 'checked'=>1),
 	'p.ref_client'=>array('label'=>"RefCustomer", 'checked'=>1),
-	'pr.ref'=>array('label'=>"ProjectRef", 'checked'=>1, 'enabled'=>(empty($conf->project->enabled) ? 0 : 1)),
-	'pr.title'=>array('label'=>"ProjectLabel", 'checked'=>0, 'enabled'=>(empty($conf->project->enabled) ? 0 : 1)),
+	'pr.ref'=>array('label'=>"ProjectRef", 'checked'=>1, 'enabled'=>(!isModEnabled('project') ? 0 : 1)),
+	'pr.title'=>array('label'=>"ProjectLabel", 'checked'=>0, 'enabled'=>(!isModEnabled('project') ? 0 : 1)),
 	's.nom'=>array('label'=>"ThirdParty", 'checked'=>1),
 	's.name_alias'=>array('label'=>"AliasNameShort", 'checked'=>-1),
 	's.town'=>array('label'=>"Town", 'checked'=>-1),