diff --git a/pages/404.html b/pages/404.html
index 348399efc2..8e9f51e568 100644
--- a/pages/404.html
+++ b/pages/404.html
@@ -6,7 +6,7 @@
const V80refmanRegex = /^\/distrib\/V8.0\/doc\//;
const stdlibDistribRegex = /^\/distrib\/(.*)\/stdlib\//;
const bugRegexSimplified = /^\/bug\/(.*)/;
- const bugRegex = /^\/bugs\/show_bug.cgi?id=(.*)/;
+ const bugRegex = /^\/bugs\/show_bug\.cgi\?id=(.*)/;
if (stdlibRegex.test(path)) {
window.location = path.replace(stdlibRegex, "/doc/<#CURRENTVERSIONTAG>/stdlib/");
} else if (refmanRegex.test(path)) {