diff --git a/.hgignore b/.hgignore
index caa7ca78f540..32e4940fa7fd 100644
--- a/.hgignore
+++ b/.hgignore
@@ -153,7 +153,7 @@ _OPT\.OBJ/
 ^remote/test/puppeteer/test/output-chromium
 ^remote/test/puppeteer/testserver/lib/
 ^remote/test/puppeteer/tools/internal/
-`remote/test/puppeteer/tools/mocha-runner/bin/
+^remote/test/puppeteer/tools/mocha-runner/bin/
 ^remote/test/puppeteer/website
 
 ^third_party/js/PKI.js/node_modules/