diff --git a/tests/docs-site.spec.ts b/tests/docs-site.spec.ts
index 6c50e37..cbf2322 100644
--- a/tests/docs-site.spec.ts
+++ b/tests/docs-site.spec.ts
@@ -394,6 +394,28 @@ test("bridges legacy hash routes to clean URLs", async ({ page }) => {
 
   await page.goto("/#/api-reference");
   await expect(page).toHaveURL(/\/api-reference(?:\/calls)?$/);
+
+  for (const hash of [
+    "api-reference",
+    "tag/Calls",
+    "/tag/Calls",
+    "description/auth",
+    "/description/auth",
+    "models",
+    "/models",
+  ]) {
+    await page.goto(`/#${hash}`);
+    await expect(page).toHaveURL(/\/api-reference(?:\/calls)?$/);
+  }
+
+  await page.goto("/#calls?section=idempotency");
+  await expect(page).toHaveURL(/\/calls#idempotency$/);
+
+  await page.goto("/");
+  await expect(page).toHaveURL(/\/quickstart$/);
+
+  await page.goto("/#not-a-docs-route");
+  await expect(page).toHaveURL(/\/#not-a-docs-route$/);
 });
 
 test("renders every migrated guide from its file route", async ({ page }) => {
diff --git a/zudoku.config.tsx b/zudoku.config.tsx
index 050d810..0b547f9 100644
--- a/zudoku.config.tsx
+++ b/zudoku.config.tsx
@@ -7,7 +7,8 @@ const legacyHashRedirect = `
 (() => {
   if (window.location.pathname !== "/") return;
 
-  const [route, query = ""] = window.location.hash.slice(1).split("?", 2);
+  const [rawRoute, query = ""] = window.location.hash.slice(1).split("?", 2);
+  const route = rawRoute.startsWith("/") || rawRoute === "" ? rawRoute : \`/\${rawRoute}\`;
   const guideRoutes = new Set([
     "/quickstart",
     "/authentication",
@@ -31,15 +32,17 @@ const legacyHashRedirect = `
   if (
     route === "/api-reference" ||
     route.startsWith("/api-1/") ||
-    route.startsWith("tag/") ||
-    route.startsWith("description/") ||
-    route === "models"
+    route.startsWith("/tag/") ||
+    route.startsWith("/description/") ||
+    route === "/models"
   ) {
     window.location.replace("/api-reference");
     return;
   }
 
-  window.location.replace("/quickstart");
+  if (rawRoute === "") {
+    window.location.replace("/quickstart");
+  }
 })();
 `;