diff --git a/ui/helpers/utils/window.ts b/ui/helpers/utils/window.ts
index 1f9d15a1d9f0..ed352a6d93ba 100644
--- a/ui/helpers/utils/window.ts
+++ b/ui/helpers/utils/window.ts
@@ -1,3 +1,3 @@
-export const openWindow = (url: string, target: string) => {
+export const openWindow = (url: string, target?: string) => {
   window.open(url, target || '_blank', 'noopener');
 };