diff --git a/includes/Product_Type.php b/includes/Product_Type.php
index b8a3863..9068f27 100644
--- a/includes/Product_Type.php
+++ b/includes/Product_Type.php
@@ -115,6 +115,7 @@ class Product_Type extends \WC_Product {
 
         // Exclude composable products from selection
         $args['meta_query'] = [
+            'relation' => 'AND',
             [
                 'key' => '_product_type',
                 'value' => 'composable',
@@ -174,11 +175,11 @@ class Product_Type extends \WC_Product {
                     $variation_ids = $product->get_children();
                     foreach ($variation_ids as $variation_id) {
                         $variation = wc_get_product($variation_id);
-                        if ($variation && $variation->is_in_stock() && $variation->is_purchasable()) {
+                        if ($variation && $variation->is_purchasable()) {
                             $products[] = $variation;
                         }
                     }
-                } elseif ($product->is_in_stock() && $product->is_purchasable()) {
+                } elseif ($product->is_purchasable()) {
                     // Simple and other product types
                     $products[] = $product;
                 }