diff --git a/htdocs/compta/facture/class/facture.class.php b/htdocs/compta/facture/class/facture.class.php
index e9cb7aa214e..9fa7fc988e2 100644
--- a/htdocs/compta/facture/class/facture.class.php
+++ b/htdocs/compta/facture/class/facture.class.php
@@ -4116,18 +4116,18 @@ class Facture extends CommonInvoice
 
 		$langs->load("bills");
 
-		if (! dol_strlen($modele)) {
+		if (! dol_strlen($modele))
+		{
+			$modele = 'crabe';
+			$thisTypeConfName = 'FACTURE_ADDON_PDF_'.$this->type;
 
-		    $modele = 'crabe';
-		    $thisTypeConfName = 'FACTURE_ADDON_PDF_'.$type;
-		    
-		    if ($this->modelpdf) {
-		        $modele = $this->modelpdf;
-		    }elseif (! empty($conf->global->{'FACTURE_ADDON_PDF_'.$this->type})){
-		        $modele = $conf->global->{'FACTURE_ADDON_PDF_'.$this->type} ;
-		    }elseif (! empty($conf->global->FACTURE_ADDON_PDF)) {
-		        $modele = $conf->global->FACTURE_ADDON_PDF;
-		    }
+			if ($this->modelpdf) {
+				$modele = $this->modelpdf;
+			} elseif (! empty($conf->global->$thisTypeConfName)) {
+				$modele = $conf->global->$thisTypeConfName;
+			} elseif (! empty($conf->global->FACTURE_ADDON_PDF)) {
+				$modele = $conf->global->FACTURE_ADDON_PDF;
+			}
 		}
 
 		$modelpath = "core/modules/facture/doc/";