diff --git a/includes/data-stores/class-wc-product-data-store-cpt.php b/includes/data-stores/class-wc-product-data-store-cpt.php
index 8a71ed6de96..190749d7db3 100644
--- a/includes/data-stores/class-wc-product-data-store-cpt.php
+++ b/includes/data-stores/class-wc-product-data-store-cpt.php
@@ -1118,7 +1118,7 @@ class WC_Product_Data_Store_CPT extends WC_Data_Store_WP implements WC_Object_Da
 			$product->get_id()
 		);
 
-		$query .= ' AND postmeta.meta_key IN ( "' . implode( '","', array_map( 'esc_sql', $meta_attribute_names ) ) . '" )';
+		$query .= " AND postmeta.meta_key IN ( '" . implode( "','", array_map( 'esc_sql', $meta_attribute_names ) ) . "' )";
 
 		$query .= ' ORDER BY posts.menu_order ASC, postmeta.post_id ASC;';