diff --git a/includes/class-activity-dispatcher.php b/includes/class-activity-dispatcher.php
index 09fca79..221e2b0 100644
--- a/includes/class-activity-dispatcher.php
+++ b/includes/class-activity-dispatcher.php
@@ -55,7 +55,7 @@ class Activity_Dispatcher {
 	 * @param [type] $activity_type
 	 * @return void
 	 */
-	public function send_activity( Model\Post $activitypub_post, $activity_type ) {
+	public static function send_activity( Model\Post $activitypub_post, $activity_type ) {
 		// get latest version of post
 		$user_id = $activitypub_post->get_post_author();
 
diff --git a/tests/test-class-activitypub-activity.php b/tests/test-class-activitypub-activity.php
index 254d860..74d0727 100644
--- a/tests/test-class-activitypub-activity.php
+++ b/tests/test-class-activitypub-activity.php
@@ -22,7 +22,7 @@ class Test_Activitypub_Activity extends WP_UnitTestCase {
 		$activitypub_activity = new \Activitypub\Model\Activity( 'Create', \Activitypub\Model\Activity::TYPE_FULL );
 		$activitypub_activity->from_post( $activitypub_post );
 
-		$this->assertContains( \get_rest_url( null, '/activitypub/1.0/users/1/followers' ), $activitypub_activity->get_cc() );
+		$this->assertContains( \get_rest_url( null, '/activitypub/1.0/users/1/followers' ), $activitypub_activity->get_to() );
 		$this->assertContains( 'https://example.com/alex', $activitypub_activity->get_cc() );
 
 		remove_all_filters( 'activitypub_extract_mentions' );