diff --git a/htdocs/core/class/html.formprojet.class.php b/htdocs/core/class/html.formprojet.class.php
index 058706edce7..9586adeaed4 100644
--- a/htdocs/core/class/html.formprojet.class.php
+++ b/htdocs/core/class/html.formprojet.class.php
@@ -368,6 +368,7 @@ class FormProjets
 				} else $out .= ' ';
 				$out .= '</option>';
 			}
+
 			$num = $this->db->num_rows($resql);
 			$i = 0;
 			if ($num)
@@ -388,6 +389,18 @@ class FormProjets
 
 						$labeltoshow = '';
 
+						$disabled = 0;
+						if ($obj->fk_statut == Project::STATUS_DRAFT)
+						{
+							$disabled = 1;
+						} elseif ($obj->fk_statut == Project::STATUS_CLOSED)
+						{
+							if ($discard_closed == 2) $disabled = 1;
+						} elseif ($socid > 0 && (!empty($obj->fk_soc) && $obj->fk_soc != $socid))
+						{
+							$disabled = 1;
+						}
+
 						if ($showproject == 'all')
 						{
 							$labeltoshow .= dol_trunc($obj->ref, 18); // Project ref