diff --git a/htdocs/adherents/cotisation.class.php b/htdocs/adherents/cotisation.class.php
index 5f1678ebf00a4fe4db71ee0ed5afc128bafb8e83..43de79f9b6df9b736a18250ff019f32b1863085f 100644
--- a/htdocs/adherents/cotisation.class.php
+++ b/htdocs/adherents/cotisation.class.php
@@ -76,7 +76,7 @@ class Cotisation extends CommonObject
         $sql.= " VALUES (".$this->fk_adherent.", ".$this->db->idate(mktime()).",";
 		$sql.= " ".$this->db->idate($this->dateh).",";
 		$sql.= " ".$this->db->idate($this->datef).",";
-		$sql.= " ".$this->amount.",'".$this->note."')";
+		$sql.= " ".$this->amount.",'".addslashes($this->note)."')";
 
 		dol_syslog("Cotisation::create sql=".$sql);
 		$resql = $this->db->query($sql);