diff --git a/inc/site-exporter/class-site-exporter.php b/inc/site-exporter/class-site-exporter.php
index 621732e28..9eb200af1 100644
--- a/inc/site-exporter/class-site-exporter.php
+++ b/inc/site-exporter/class-site-exporter.php
@@ -1625,7 +1625,9 @@ public function handle_site_export(int $site_id, array $options = [], string $ha
 
 		wu_exporter_save_generation_time($export_name, $time);
 
-		wu_exporter_delete_transient("wu_pending_site_export_{$hash}");
+		if ( ! empty($hash)) {
+			wu_exporter_delete_transient("wu_pending_site_export_{$hash}");
+		}
 
 		return true;
 	}