diff --git a/tests/app/load.js b/tests/app/load.js
index ff1c712..69a0573 100755
--- a/tests/app/load.js
+++ b/tests/app/load.js
@@ -42,7 +42,9 @@ export class Application {
 
         this.request.setRootPath(
             HttpUri.parseUrl(
-                document.getElementsByTagName('base')[0].href
+                typeof document.getElementsByTagName('base')[0] !== 'undefined'
+                    ? document.getElementsByTagName('base')[0].href
+                    : ''
             ).path
         );