diff --git a/lib/medium-admin.php b/lib/medium-admin.php
index 6b22044..7ded897 100644
--- a/lib/medium-admin.php
+++ b/lib/medium-admin.php
@@ -46,6 +46,7 @@ public static function init() {
     add_action("add_meta_boxes_post", array("Medium_Admin", "add_meta_boxes_post"));
 
     add_action("save_post", array("Medium_Admin", "save_post"), 10, 2);
+    add_action("publish_post", array("Medium_Admin", "save_post"), 10, 2);
   }
 
   // Actions and hooks.
@@ -765,12 +766,9 @@ public static function cross_post($post, $medium_post, $medium_user) {
     $tags = array_values(array_unique(array_merge($slugs, $tags)));
 
     // pull in categories as tags
-    $categories = wp_get_the_category($post->ID);
-    $cats = array();
-    foreach($categories as $category){
-        $cats[] = $category->name;
-    }
-    $tags = array_values(array_unique(array_merge($cats, $tags)));
+    $args = array('fields' => 'names'); // @see wp_get_post_categories() $args ref to wp_get_object_terms()
+    $categories_name = wp_get_post_categories($post->ID, $args);
+    $tags = array_values(array_unique(array_merge($categories_name, $tags)));
 
     if (class_exists('CoAuthors_Guest_Authors')) {
       // Handle guest-authors if the CoAuthors Plus plugin is installed.
diff --git a/medium.php b/medium.php
index beb4a33..be80f4e 100644
--- a/medium.php
+++ b/medium.php
@@ -24,7 +24,8 @@
 define("MEDIUM_PLUGIN_DIR", plugin_dir_path(__FILE__));
 define("MEDIUM_PLUGIN_URL", plugin_dir_url(__FILE__));
 
-if (is_admin()) {
+if (is_admin() or
+        (defined ('DOING_CRON') and DOING_CRON)) {
   require_once(MEDIUM_PLUGIN_DIR . "lib/medium-admin.php");
   add_action("init", array("Medium_Admin", "init"));
 } else {