diff --git a/scripts/docs-site/build.mjs b/scripts/docs-site/build.mjs
index 2ff21c4b6..b474317d1 100644
--- a/scripts/docs-site/build.mjs
+++ b/scripts/docs-site/build.mjs
@@ -98,7 +98,7 @@ function flattenPages(locale, entries) {
   const output = [];
   for (const entry of entries) {
     if (typeof entry === "string") {
-      const page = pageByKey.get(pageKey(locale, normalizeSlug(entry)));
+      const page = pageByKey.get(pageKey(locale, navEntrySlug(locale, entry)));
       if (page) output.push(page);
     } else if (entry?.pages) {
       const nested = flattenPages(locale, entry.pages);
@@ -108,6 +108,11 @@ function flattenPages(locale, entries) {
   return output;
 }
 
+function navEntrySlug(locale, entry) {
+  const slug = normalizeSlug(entry);
+  return slug.startsWith(`${locale}/`) ? normalizeSlug(slug.slice(locale.length + 1)) : slug;
+}
+
 function writePage(page) {
   const nav = navByLocale.get(page.locale) ?? [];
   const flat = flattenNav(nav);
diff --git a/scripts/docs-site/smoke.mjs b/scripts/docs-site/smoke.mjs
index f9745f0e2..9c80a02b6 100644
--- a/scripts/docs-site/smoke.mjs
+++ b/scripts/docs-site/smoke.mjs
@@ -7,6 +7,7 @@ const site = path.join(root, "dist", "docs-site");
 const required = [
   "index.html",
   "tools/reactions/index.html",
+  "it/channels/index.html",
   "zh-CN/tools/reactions/index.html",
   "de/tools/reactions/index.html",
   "de/gateway/heartbeat/index.html",
@@ -41,6 +42,13 @@ if (!/data-url="(?:\/docs)?\/zh-CN\/tools\/reactions\/"/.test(zhReactions)) {
 if (!/href="(?:\/docs)?\/zh-CN\/tools\/agent-send/.test(zhReactions)) {
   throw new Error("zh-CN reactions: article links do not stay in locale");
 }
+const itChannels = fs.readFileSync(path.join(site, "it/channels/index.html"), "utf8");
+if (!/class="tab-link active" href="(?:\/docs)?\/it\/channels\/"/.test(itChannels)) {
+  throw new Error("it channels: localized tabs are missing active Channels tab");
+}
+if (!/<section class="nav-section"><h2>Overview<\/h2>/.test(itChannels)) {
+  throw new Error("it channels: localized sidebar is missing");
+}
 const index = fs.readFileSync(path.join(site, "index.html"), "utf8");
 if (/src="\/assets\//.test(index) || /href="\/assets\//.test(index)) {
   throw new Error("index: absolute asset paths were not base-path rewritten");