diff --git a/includes/artisans.php b/includes/artisans.php
index aa74956..3bf9285 100644
--- a/includes/artisans.php
+++ b/includes/artisans.php
@@ -163,7 +163,7 @@ function set_user_metabox_order($user_id)
 	];
 	update_user_meta($user_id, 'meta-box-order_artisans', $new_order);
 
-	if ($metaboxes_hidden === false) return;
+	if ($metaboxes_hidden === false || !is_array($metaboxes_hidden)) return;
 
 	$newArrray = array_merge($metaboxes_hidden, ['postimagediv', 'icldiv']);
 	update_user_meta($user_id, 'metaboxhidden_artisans', $newArrray);