diff --git a/classes/class-PMSSO-Client.php b/classes/class-PMSSO-Client.php
index 97d66dc..b6a42fc 100644
--- a/classes/class-PMSSO-Client.php
+++ b/classes/class-PMSSO-Client.php
@@ -515,10 +515,11 @@ public function get_vppa_redirect($access_token = '') {
     $customheaders = array('Application-Id: ' . $this->app_id, 'Authorization: Bearer ' . $access_token);
     $postfields = array(
       'return_uri' => $this->redirect_uri,
-	  'handle_ux' => true
+	  'handle_ux' => true,
+	  'activation' => true
     );
 	if (!empty($this->station_id)) {
-		$postfields['station_id'] = $this->station_id;
+		$postfields['station'] = $this->station_id;
 	}
     $requestbody = http_build_query($postfields);
     //construct the curl request