diff --git a/genpdf/genpdf.php b/genpdf/genpdf.php
index 11cf7eb..f53dc8b 100644
--- a/genpdf/genpdf.php
+++ b/genpdf/genpdf.php
@@ -157,7 +157,7 @@ header( "Content-Type: text/plain" );
 //print_r ($_GET); die();
 //print_r($_GET);
 
-if (isset($_GET['signer2user'])) {
+if (isset($_GET['signer2user']) && empty($_GET['user-appointment-id'])) {
 	$_GET['user-appointment-id'] = $_GET['signer-appointment-id'];
 }