diff --git a/integration/FacebookWordpressWooCommerce.php b/integration/FacebookWordpressWooCommerce.php
index 3b0760e7..f1066e21 100644
--- a/integration/FacebookWordpressWooCommerce.php
+++ b/integration/FacebookWordpressWooCommerce.php
@@ -123,7 +123,8 @@ private static function getProductCategory($product_id){
         $product_id,
         'product_cat'
       );
-    return count($categories) > 0 ? $categories[0]->name : null;
+
+    return (is_array($categories) && count($categories) > 0) ? $categories[0]->name : null;
   }
 
   public static function trackPurchaseEvent($order_id) {