diff --git a/activitypub-event-transformers.php b/activitypub-event-transformers.php
index 63e8c91..e4f2ecc 100644
--- a/activitypub-event-transformers.php
+++ b/activitypub-event-transformers.php
@@ -44,8 +44,8 @@ add_filter(
  * Add admin notices for improved usability.
  */
 function check_some_other_plugin() {
-	if ( is_plugin_active('activitypub/activitypub.php') ) {
-		if ( is_plugin_active('very-simple-event-list/vsel.php') ) {
+	if ( is_plugin_active( 'activitypub/activitypub.php' ) ) {
+		if ( is_plugin_active( 'very-simple-event-list/vsel.php' ) ) {
 			add_action( 'admin_notices', 'vsel_admin_notices' );
 		}
 	}
@@ -54,10 +54,10 @@ function check_some_other_plugin() {
 add_action( 'admin_init', 'check_some_other_plugin' );
 
 function vsel_admin_notices() {
-	$is_vsel_edit_page = isset($_GET['post_type']) && $_GET['post_type'] === 'event';
-	$is_vsel_settings_page = strpos($_SERVER['REQUEST_URI'], '/wp-admin/options-general.php?page=vsel') !== false ;
-	$is_vsel_page =  $is_vsel_edit_page || $is_vsel_settings_page;
-	$vsel_post_type_is_activitypub_enabeld = in_array( 'event', get_option( 'activitypub_support_post_types') );
+	$is_vsel_edit_page = isset( $_GET['post_type'] ) && $_GET['post_type'] === 'event';
+	$is_vsel_settings_page = strpos( $_SERVER['REQUEST_URI'], '/wp-admin/options-general.php?page=vsel' ) !== false;
+	$is_vsel_page = $is_vsel_edit_page || $is_vsel_settings_page;
+	$vsel_post_type_is_activitypub_enabeld = in_array( 'event', get_option( 'activitypub_support_post_types' ) );
 	if ( $is_vsel_page && ! $vsel_post_type_is_activitypub_enabeld ) {
 		$vsel_plugin_data = get_plugin_data( WP_PLUGIN_DIR . '/very-simple-event-list/vsel.php' );
 		$activitypub_plugin_data = get_plugin_data( WP_PLUGIN_DIR . '/activitypub/activitypub.php' );
@@ -69,7 +69,7 @@ function vsel_admin_notices() {
 			),
 			$activitypub_plugin_data['Name'],
 			$vsel_plugin_data['Name'],
-			admin_url('options-general.php?page=activitypub&tab=settings')
+			admin_url( 'options-general.php?page=activitypub&tab=settings' )
 		);
 		wp_admin_notice(
 			$notice,
diff --git a/includes/activitypub/transformer/class-tribe.php b/includes/activitypub/transformer/class-tribe.php
index d82bb41..270201f 100644
--- a/includes/activitypub/transformer/class-tribe.php
+++ b/includes/activitypub/transformer/class-tribe.php
@@ -97,7 +97,7 @@ class Tribe extends Post {
 		// todo make it possible that one event can have multiple categories?
 
 		// using cat_slugs isn't 100% nice way to do this, don't know if it's a good idea
-		$categories = tribe_get_event_cat_slugs( $this->object->ID );
+		$categories = tribe_get_event_cat_slugs( $this->wp_object->ID );
 
 		if ( count( $categories ) === 0 ) {
 			return null;
diff --git a/includes/activitypub/transformer/class-vs-event.php b/includes/activitypub/transformer/class-vs-event.php
index cb44641..79f1598 100644
--- a/includes/activitypub/transformer/class-vs-event.php
+++ b/includes/activitypub/transformer/class-vs-event.php
@@ -13,7 +13,6 @@ use Activitypub\Model\Blog_user;
 
 use function Activitypub\get_rest_url_by_path;
 
-
 if ( ! defined( 'ABSPATH' ) ) {
 	exit; // Exit if accessed directly.
 }
@@ -81,7 +80,7 @@ class VS_Event extends Post {
 	 * @return array The Place.
 	 */
 	public function get_location() {
-		$address = get_post_meta( $this->object->ID, 'event-location', true );
+		$address = get_post_meta( $this->wp_object->ID, 'event-location', true );
 		$place = new Place();
 		$place->set_type( 'Place' );
 		$place->set_name( $address );
@@ -93,7 +92,7 @@ class VS_Event extends Post {
 	 * Get the end time from the events metadata.
 	 */
 	protected function get_end_time() {
-		$end_time = get_post_meta( $this->object->ID, 'event-date', true );
+		$end_time = get_post_meta( $this->wp_object->ID, 'event-date', true );
 		return \gmdate( 'Y-m-d\TH:i:s\Z', $end_time );
 	}
 
@@ -101,7 +100,7 @@ class VS_Event extends Post {
 	 * Get the end time from the events metadata.
 	 */
 	protected function get_start_time() {
-		$start_time = get_post_meta( $this->object->ID, 'event-start-date', true );
+		$start_time = get_post_meta( $this->wp_object->ID, 'event-start-date', true );
 		return \gmdate( 'Y-m-d\TH:i:s\Z', $start_time );
 	}
 
@@ -109,7 +108,7 @@ class VS_Event extends Post {
 	 * Get the event link from the events metadata.
 	 */
 	private function get_event_link() {
-		$event_link = get_post_meta( $this->object->ID, 'event-link', true );
+		$event_link = get_post_meta( $this->wp_object->ID, 'event-link', true );
 		if ( $event_link ) {
 			return array(
 				'type' => 'Link',
@@ -140,7 +139,7 @@ class VS_Event extends Post {
 	 * @return string $category
 	 */
 	protected function get_category() {
-		$post_categories = wp_get_post_terms( $this->object->ID, 'event_cat' );
+		$post_categories = wp_get_post_terms( $this->wp_object->ID, 'event_cat' );
 
 		if ( empty( $post_categories ) ) {
 			return 'MEETING';
@@ -201,16 +200,16 @@ class VS_Event extends Post {
 	 * @return string $summary The custom event summary.
 	 */
 	public function get_summary() {
-		if ( $this->object->excerpt ) {
-			$excerpt = $this->object->post_excerpt;
-		} else if ( get_post_meta( $this->object->ID, 'event-summary', true ) ) {
-			$excerpt = get_post_meta( $this->object->ID, 'event-summary', true );
+		if ( $this->wp_object->excerpt ) {
+			$excerpt = $this->wp_object->post_excerpt;
+		} else if ( get_post_meta( $this->wp_object->ID, 'event-summary', true ) ) {
+			$excerpt = get_post_meta( $this->wp_object->ID, 'event-summary', true );
 		} else {
 			$excerpt = $this->get_content();
 		}
 
-		$address = get_post_meta( $this->object->ID, 'event-location', true );
-		$start_time = get_post_meta( $this->object->ID, 'event-start-date', true );
+		$address = get_post_meta( $this->wp_object->ID, 'event-location', true );
+		$start_time = get_post_meta( $this->wp_object->ID, 'event-start-date', true );
 		$datetime_format = get_option( 'date_format' ) . ' ' . get_option( 'time_format' );
 		$start_time_string = wp_date( $datetime_format, $start_time );
 		$summary = "📍 {$address}\n📅 {$start_time_string}\n\n{$excerpt}";
@@ -231,7 +230,7 @@ class VS_Event extends Post {
 			->set_comments_enabled( true )
 			->set_external_participation_url( $this->get_url() )
 			->set_status( 'CONFIRMED' )
-			->set_name( get_the_title( $this->object->ID ) )
+			->set_name( get_the_title( $this->wp_object->ID ) )
 			->set_timezone( $object->get_locale )
 			->set_is_online( false )
 			->set_in_language( $this->get_locale() )