diff --git a/assets/js/src/welcome-notice.js b/assets/js/src/welcome-notice.js
index b635831..42a8511 100644
--- a/assets/js/src/welcome-notice.js
+++ b/assets/js/src/welcome-notice.js
@@ -42,6 +42,7 @@ function handleWelcomeNotice( $ ) {
 		installSpinner.addClass( 'dashicons-yes' );
 		installText.text( done );
 		setTimeout( hideAndRemoveNotice, 1500 );
+		window.location.href = onboardingUrl;
 	};
 
 	$( installBtn ).on( 'click', async () => {
diff --git a/inc/Admin.php b/inc/Admin.php
index c1f30bf..7962c35 100644
--- a/inc/Admin.php
+++ b/inc/Admin.php
@@ -335,7 +335,7 @@ public function add_nps_form() {
 	 * @return int
 	 */
 	public static function convert_to_category( $number, $scale = 1 ) {
-		$normalized_number = round( $number / $scale );
+		$normalized_number = intval( round( $number / $scale ) );
 
 		if ( 0 === $normalized_number || 1 === $normalized_number ) {
 			return 0;