diff --git a/htdocs/includes/modules/facture/pluton/pluton.modules.php b/htdocs/includes/modules/facture/pluton/pluton.modules.php
index 99023075962..cc56a1bd766 100644
--- a/htdocs/includes/modules/facture/pluton/pluton.modules.php
+++ b/htdocs/includes/modules/facture/pluton/pluton.modules.php
@@ -203,7 +203,7 @@ function info()
         }
         else if ($facture->type == 2)
         {
-        	$sql.= " WHERE type = 2";
+        	$sql.= " WHERE type = 2 AND facnumber REGEXP '^".$this->prefixcreditnote."'";
         }
         $resql=$db->query($sql);
         if ($resql)