diff --git a/htdocs/projet/tasks/task.php b/htdocs/projet/tasks/task.php
index 2ae9bb7cc80..54e238ab0c7 100644
--- a/htdocs/projet/tasks/task.php
+++ b/htdocs/projet/tasks/task.php
@@ -403,8 +403,8 @@ if ($id > 0 || !empty($ref)) {
 
 			// Third party
 			print '<td>'.$langs->trans("ThirdParty").'</td><td colspan="3">';
-			if ($projectstatic->societe->id) {
-				print $projectstatic->societe->getNomUrl(1);
+			if ($projectstatic->thirdparty->id) {
+				print $projectstatic->thirdparty->getNomUrl(1);
 			} else {
 				print '&nbsp;';
 			}