diff --git a/includes/reader-revenue/woocommerce/class-woocommerce-duplicate-orders.php b/includes/reader-revenue/woocommerce/class-woocommerce-duplicate-orders.php
index 8fdabce5ac..0e12428c85 100644
--- a/includes/reader-revenue/woocommerce/class-woocommerce-duplicate-orders.php
+++ b/includes/reader-revenue/woocommerce/class-woocommerce-duplicate-orders.php
@@ -44,6 +44,11 @@ public static function init(): void {
 	 * @param array  $results Results to be merged with new results.
 	 */
 	public static function get_order_duplicates( $cutoff_time, $current_page = 0, $results = [] ): array {
+
+		if ( ! function_exists( 'wc_get_orders' ) ) {
+			return [];
+		}
+
 		$per_page = 100;
 		$order_result = wc_get_orders(
 			[