diff --git a/htdocs/fichinter/class/fichinter.class.php b/htdocs/fichinter/class/fichinter.class.php
index cc6feb22f1c..a9d1c6ec174 100644
--- a/htdocs/fichinter/class/fichinter.class.php
+++ b/htdocs/fichinter/class/fichinter.class.php
@@ -1738,8 +1738,8 @@ class FichinterLigne extends CommonObjectLine
 
 			$sql = "UPDATE ".MAIN_DB_PREFIX."fichinter";
 			$sql .= " SET duree = ".((int) $total_duration);
-			$sql .= " , dateo = ".(!empty($obj->dateo) ? "'".$this->db->idate($obj->dateo)."'" : "null");
-			$sql .= " , datee = ".(!empty($obj->datee) ? "'".$this->db->idate($obj->datee)."'" : "null");
+			$sql .= " , dateo = ".(!empty($obj->dateo) ? "'".$this->db->escape($obj->dateo)."'" : "null");
+			$sql .= " , datee = ".(!empty($obj->datee) ? "'".$this->db->escape($obj->datee)."'" : "null");
 			$sql .= " WHERE rowid = ".((int) $this->fk_fichinter);
 
 			dol_syslog("FichinterLigne::update_total", LOG_DEBUG);