diff --git a/test/nbrowser/DocTutorial.ts b/test/nbrowser/DocTutorial.ts
index d6ce6c71..99b92d88 100644
--- a/test/nbrowser/DocTutorial.ts
+++ b/test/nbrowser/DocTutorial.ts
@@ -234,7 +234,7 @@ describe('DocTutorial', function () {
     it('does not play an easter egg when opening an anchor link encoded with rr', async function() {
       await gu.getCell({rowNum: 1, col: 0}).click();
       const link = await gu.getAnchor();
-      const easterEggLink = link.replace('r1', 'rr1');
+      const easterEggLink = link.replace('.r1', '.rr1');
       await driver.get(easterEggLink);
       await gu.waitForAnchor();
       assert.isFalse(await driver.find('.test-behavioral-prompt').isPresent());