diff --git a/includes/class-activity-dispatcher.php b/includes/class-activity-dispatcher.php
index 16387154..edc41f37 100644
--- a/includes/class-activity-dispatcher.php
+++ b/includes/class-activity-dispatcher.php
@@ -98,6 +98,11 @@ public static function send_announce( $wp_object, $type ) {
 			return;
 		}
 
+		// do not announce replies
+		if ( $wp_object instanceof WP_Comment ) {
+			return;
+		}
+
 		$transformer = Factory::get_transformer( $wp_object );
 		$transformer->change_wp_user_id( Users::BLOG_USER_ID );