diff --git a/htdocs/core/modules/modFournisseur.class.php b/htdocs/core/modules/modFournisseur.class.php
index 017ffd1d121..39ebd275c67 100644
--- a/htdocs/core/modules/modFournisseur.class.php
+++ b/htdocs/core/modules/modFournisseur.class.php
@@ -272,12 +272,12 @@ class modFournisseur extends DolibarrModules
 			$this->rights[$r][5] = 'approve2';
 	    }
 
-	    
+
 	    // Menus
 	    //-------
 	    $this->menu = 1;        // This module add menu entries. They are coded into menu manager.
-	    
-	    
+
+
 		// Exports
 		//--------
 		$r=0;
@@ -435,7 +435,7 @@ class modFournisseur extends DolibarrModules
 		// End add extra fields object
 		$this->export_sql_start[$r]='SELECT DISTINCT ';
 		$this->export_sql_end[$r]  =' FROM '.MAIN_DB_PREFIX.'societe as s';
-		if(!$user->rights->societe->client->voir) $this->export_sql_end[$r] .=' LEFT JOIN '.MAIN_DB_PREFIX.'societe_commerciaux as sc ON sc.fk_soc = s.rowid';
+		if (empty($user->rights->societe->client->voir)) $this->export_sql_end[$r] .=' LEFT JOIN '.MAIN_DB_PREFIX.'societe_commerciaux as sc ON sc.fk_soc = s.rowid';
 		$this->export_sql_end[$r] .=' LEFT JOIN '.MAIN_DB_PREFIX.'c_country as c ON s.fk_pays = c.rowid,';
 		$this->export_sql_end[$r] .=' '.MAIN_DB_PREFIX.'facture_fourn as f';
 		$this->export_sql_end[$r] .=' LEFT JOIN '.MAIN_DB_PREFIX.'projet as project on (f.fk_projet = project.rowid)';
@@ -444,7 +444,7 @@ class modFournisseur extends DolibarrModules
 		$this->export_sql_end[$r] .=' LEFT JOIN '.MAIN_DB_PREFIX.'paiementfourn as p ON pf.fk_paiementfourn = p.rowid';
 		$this->export_sql_end[$r] .=' WHERE f.fk_soc = s.rowid';
         $this->export_sql_end[$r] .=' AND f.entity IN ('.getEntity('supplier_invoice',1).')';
-		if(!$user->rights->societe->client->voir) $this->export_sql_end[$r] .=' AND sc.fk_user = '.$user->id;
+		if (empty($user->rights->societe->client->voir)) $this->export_sql_end[$r] .=' AND sc.fk_user = '.$user->id;
 
 		// Order
 		$r++;