diff --git a/htdocs/compta/prelevement/class/bonprelevement.class.php b/htdocs/compta/prelevement/class/bonprelevement.class.php
index bd2fd150d75..f007fa41d21 100644
--- a/htdocs/compta/prelevement/class/bonprelevement.class.php
+++ b/htdocs/compta/prelevement/class/bonprelevement.class.php
@@ -1558,7 +1558,7 @@ class BonPrelevement extends CommonObject
 		$XML_DEBITOR ='';
 		$XML_DEBITOR .='			<DrctDbtTxInf>'.$CrLf;
 		$XML_DEBITOR .='				<PmtId>'.$CrLf;
-		$XML_DEBITOR .='					<EndToEndId>'.('AS-'.$row_facnumber.'-'.$Rowing).'</EndToEndId>'.$CrLf;
+		$XML_DEBITOR .='					<EndToEndId>'.('AS-'.dol_trunc($row_facnumber,20).'-'.$Rowing).'</EndToEndId>'.$CrLf;          // ISO20022 states that EndToEndId has a MaxLength of 35 characters
 		$XML_DEBITOR .='				</PmtId>'.$CrLf;
 		$XML_DEBITOR .='				<InstdAmt Ccy="EUR">'.round($row_somme, 2).'</InstdAmt>'.$CrLf;
 		$XML_DEBITOR .='				<DrctDbtTx>'.$CrLf;