diff --git a/htdocs/accountancy/bookkeeping/thirdparty_lettering_customer.php b/htdocs/accountancy/bookkeeping/thirdparty_lettering_customer.php
index 3fdda686eab..1d370176613 100644
--- a/htdocs/accountancy/bookkeeping/thirdparty_lettering_customer.php
+++ b/htdocs/accountancy/bookkeeping/thirdparty_lettering_customer.php
@@ -150,6 +150,7 @@ if (dol_strlen($search_year)) {
 	$sql .= " AND ( bk.doc_date BETWEEN  '" . $db->idate($date_start) . "' AND  '" . $db->idate($date_end) . "' )";
 }
 
+$sql.= ' AND bk.entity IN ('.getEntity('accountingbookkeeping').')';
 $sql .= $db->order($sortfield, $sortorder);
 
 $debit = 0;
diff --git a/htdocs/accountancy/bookkeeping/thirdparty_lettering_supplier.php b/htdocs/accountancy/bookkeeping/thirdparty_lettering_supplier.php
index 8cd51847b1e..1d80bda7710 100644
--- a/htdocs/accountancy/bookkeeping/thirdparty_lettering_supplier.php
+++ b/htdocs/accountancy/bookkeeping/thirdparty_lettering_supplier.php
@@ -149,6 +149,7 @@ if (dol_strlen($search_year)) {
 	$sql .= " AND ( bk.doc_date BETWEEN  '".$db->idate($date_start)."' AND  '".$db->idate($date_end)."' )";
 }
 
+$sql.= ' AND bk.entity IN ('.getEntity('accountingbookkeeping').')';
 $sql.= $db->order($sortfield,$sortorder);
 
 $debit = 0;