diff --git a/packages/core-api/src/lib/loginPopup.ts b/packages/core-api/src/lib/loginPopup.ts
index 425998f4bc..716c4f9651 100644
--- a/packages/core-api/src/lib/loginPopup.ts
+++ b/packages/core-api/src/lib/loginPopup.ts
@@ -122,7 +122,7 @@ export function showLoginPopup(options: LoginPopupOptions): Promise<any> {
     const intervalId = setInterval(() => {
       if (popup.closed) {
         const errMessage = `Login failed, ${
-          targetOrigin !== window.location.origin
+          targetOrigin && targetOrigin !== window.location.origin
             ? `Incorrect app origin, expected ${targetOrigin}`
             : 'popup was closed'
         }`;