diff --git a/test/unittests.js b/test/unittests.js
index 9c1c00a6..e5f89866 100644
--- a/test/unittests.js
+++ b/test/unittests.js
@@ -32,7 +32,13 @@ if (typeof Promise === 'undefined') {
 
 describe('Unit Tests', function () {
 
-  if (typeof window !== 'undefined') { afterEach(function () { window.scrollTo(0, document.body.scrollHeight); }); }
+  if (typeof window !== 'undefined') {
+    afterEach(function () {
+      if (window.scrollY >= document.body.scrollHeight - window.innerHeight - 100) {
+        window.scrollTo(0, document.body.scrollHeight);
+      }
+    });
+  }
 
   require('./crypto');
   require('./general');