diff --git a/htdocs/core/modules/modFournisseur.class.php b/htdocs/core/modules/modFournisseur.class.php
index 1be5312fd64..09435e2c02b 100644
--- a/htdocs/core/modules/modFournisseur.class.php
+++ b/htdocs/core/modules/modFournisseur.class.php
@@ -900,8 +900,8 @@ class modFournisseur extends DolibarrModules
 		}
 
 		$sql_order = array(
-			 "DELETE FROM ".MAIN_DB_PREFIX."document_model WHERE nom = '".$this->db->escape($this->const[0][2])."' AND type = 'order_supplier' AND entity = ".$conf->entity,
-			 "INSERT INTO ".MAIN_DB_PREFIX."document_model (nom, type, entity) VALUES('".$this->db->escape($this->const[0][2])."','order_supplier',".$conf->entity.")",
+			 "DELETE FROM ".MAIN_DB_PREFIX."document_model WHERE nom = '".$this->db->escape($this->const[0][2])."' AND type = 'order_supplier' AND entity = ".((int) $conf->entity),
+			 "INSERT INTO ".MAIN_DB_PREFIX."document_model (nom, type, entity) VALUES('".$this->db->escape($this->const[0][2])."', 'order_supplier', ".((int) $conf->entity).")",
 		);
 		//ODT template for Supplier Invoice
 		$src = DOL_DOCUMENT_ROOT.'/install/doctemplates/supplier_invoices/template_supplier_invoices.odt';
@@ -920,8 +920,8 @@ class modFournisseur extends DolibarrModules
 		}
 
 		$sql_invoice = array(
-			"DELETE FROM ".MAIN_DB_PREFIX."document_model WHERE nom = '".$this->db->escape($this->const[2][2])."' AND type = 'invoice_supplier' AND entity = ".$conf->entity,
-			"INSERT INTO ".MAIN_DB_PREFIX."document_model (nom, type, entity) VALUES('".$this->db->escape($this->const[2][2])."','invoice_supplier',".$conf->entity.")",
+			"DELETE FROM ".MAIN_DB_PREFIX."document_model WHERE nom = '".$this->db->escape($this->const[2][2])."' AND type = 'invoice_supplier' AND entity = ".((int) $conf->entity),
+			"INSERT INTO ".MAIN_DB_PREFIX."document_model (nom, type, entity) VALUES('".$this->db->escape($this->const[2][2])."', 'invoice_supplier', ".((int) $conf->entity).")",
 		);
 
 		$sql = array_merge($sql_order, $sql_invoice);