diff --git a/includes/class-newspack-listings-core.php b/includes/class-newspack-listings-core.php
index 36cc08c4..7b5034e0 100644
--- a/includes/class-newspack-listings-core.php
+++ b/includes/class-newspack-listings-core.php
@@ -149,7 +149,7 @@ public static function register_post_types() {
 			'show_in_menu' => 'newspack-listings',
 			'show_in_rest' => true,
 			'show_ui'      => true,
-			'supports'     => [ 'editor', 'excerpt', 'title', 'author', 'custom-fields', 'thumbnail', 'newspack-blocks' ],
+			'supports'     => [ 'editor', 'excerpt', 'title', 'author', 'custom-fields', 'thumbnail', 'newspack_blocks' ],
 			'taxonomies'   => [ 'category', 'post_tag' ],
 		];
 		$post_types_config = [