diff --git a/gestion/lib/Controller/PageController.php b/gestion/lib/Controller/PageController.php
index 473ab69..3d32b06 100644
--- a/gestion/lib/Controller/PageController.php
+++ b/gestion/lib/Controller/PageController.php
@@ -2707,6 +2707,9 @@ class PageController extends Controller {
 
 	public function exportFactureByClientAndMonthYearToPdf($clientId,$month,$year){
 		try{
+			if($clientId == "" || $clientId == "0"){
+				$clientId = 0;
+			}
 			$factureFilename = $this->invoicePdfService->generateMultipleInvoicePdfByClientAndMonthYear($clientId,$month,$year,$this->idNextcloud);
 			return $factureFilename;
 		}