diff --git a/htdocs/societe/class/societe.class.php b/htdocs/societe/class/societe.class.php
index cb966901a44d2ce3acb89f6fcf03e8930471498d..186390c0fcc9b192d1688434c888556b248c3793 100644
--- a/htdocs/societe/class/societe.class.php
+++ b/htdocs/societe/class/societe.class.php
@@ -867,7 +867,7 @@ class Societe extends CommonObject
             }
             $sql .= ", fk_user_modif = ".(! empty($user->id)?"'".$user->id."'":"null");
 			$sql .= ", fk_multicurrency = ".(int) $this->fk_multicurrency;
-			$sql .= ', multicurrency_code = "'.$this->db->escape($this->multicurrency_code).'"';
+			$sql .= ', multicurrency_code = \''.$this->db->escape($this->multicurrency_code)."'";
             $sql .= " WHERE rowid = '" . $id ."'";