diff --git a/lighthouse-core/test/report/html/renderer/crc-details-renderer-test.js b/lighthouse-core/test/report/html/renderer/crc-details-renderer-test.js
index d07539b6ba46..18b883103112 100644
--- a/lighthouse-core/test/report/html/renderer/crc-details-renderer-test.js
+++ b/lighthouse-core/test/report/html/renderer/crc-details-renderer-test.js
@@ -103,7 +103,7 @@ describe('DetailsRenderer', () => {
     assert.equal(chains[1].querySelector('.crc-node__tree-file').textContent, '/b.js');
     assert.equal(chains[1].querySelector('.crc-node__tree-hostname').textContent, '(example.com)');
     const durationNodes = chains[1].querySelectorAll('.crc-node__chain-duration');
-    assert.equal(durationNodes[0].textContent, ' - 5,000ms, ');
+    assert.equal(durationNodes[0].textContent, ' - 5,000\xa0ms, ');
     // Note: actual transferSize is 2000 bytes but formatter formats to KBs.
     assert.equal(durationNodes[1].textContent, '1.95\xa0KB');
   });