diff --git a/includes/rest/class-collection.php b/includes/rest/class-collection.php
index 00b676d..c59bc5d 100644
--- a/includes/rest/class-collection.php
+++ b/includes/rest/class-collection.php
@@ -80,9 +80,11 @@ class Collection {
 		}
 
 		$response = array(
-			'@context' => 'https://www.w3.org/ns/activitystreams',
-			array(
-				'Hashtah' => 'as:Hastag',
+			'@context' => array(
+				'https://www.w3.org/ns/activitystreams',
+				array(
+					'Hastag' => 'as:Hastag',
+				),
 			),
 			'id'         => get_rest_url_by_path( sprintf( 'users/%d/collections/tags', $user_id ) ),
 			'totalItems' => count( $tags ),