diff --git a/htdocs/commonobject.class.php b/htdocs/commonobject.class.php
index dbf221ddb24..4c9c74781b6 100644
--- a/htdocs/commonobject.class.php
+++ b/htdocs/commonobject.class.php
@@ -524,6 +524,7 @@ class CommonObject
 		dol_syslog("CommonObject::setProject sql=".$sql);
 		if ($this->db->query($sql))
 		{
+			$this->project_id=$projid;
 			$this->projet_id=$projid;
 			$this->projetidp=$projid;
 			return 1;
diff --git a/htdocs/fichinter/fiche.php b/htdocs/fichinter/fiche.php
index 736c943f240..d6c041b8b39 100644
--- a/htdocs/fichinter/fiche.php
+++ b/htdocs/fichinter/fiche.php
@@ -615,7 +615,7 @@ elseif ($fichinterid)
 		print '</td><td colspan="3">';
 		if ($_GET['action'] == 'classin')
 		{
-			$html->form_project($_SERVER['PHP_SELF'].'?id='.$fichinter->id, $fichinter->socid, $fichinter->project_id,'projetid');
+			$html->form_project($_SERVER['PHP_SELF'].'?id='.$fichinter->id, $fichinter->socid, $fichinter->project_id,'projectid');
 		}
 		else
 		{