diff --git a/Documentation/templates-src/NetCord/src/nav.ts b/Documentation/templates-src/NetCord/src/nav.ts
index 678f030fc..ee16249cf 100644
--- a/Documentation/templates-src/NetCord/src/nav.ts
+++ b/Documentation/templates-src/NetCord/src/nav.ts
@@ -188,19 +188,34 @@ function inThisArticle(): TemplateResult {
 
 function findActiveItem(items: (NavItem | NavItemContainer)[]): NavItem {
   const url = new URL(window.location.href);
+  let activeItem: NavItem;
+  let maxPrefix = 0;
   for (const item of items.map((i) => ("items" in i ? i.items : i)).flat()) {
-    const href = item.href;
-    if (!isExternalHref(href) && commonUrl(url, href))
-      return item;
+    if (isExternalHref(item.href)) {
+      continue;
+    }
+    const prefix = commonUrlPrefix(url, item.href);
+    if (prefix == maxPrefix) {
+      activeItem = undefined;
+    }
+    else if (prefix > maxPrefix) {
+      maxPrefix = prefix;
+      activeItem = item;
+    }
   }
+  return activeItem;
 }
 
-function commonUrl(url: URL, base: URL): boolean {
-  const urlPath = normalizePath(url.pathname);
-  const basePath = normalizePath(base.pathname);
-  return urlPath === basePath;
-}
-
-function normalizePath(url: string): string {
-  return url.replace(/\/(?:index.html)?$/, "/");
+function commonUrlPrefix(url: URL, base: URL): number {
+  const urlSegments = url.pathname.split("/");
+  const baseSegments = base.pathname.split("/");
+  let i = 0;
+  while (
+    i < urlSegments.length &&
+    i < baseSegments.length &&
+    urlSegments[i] === baseSegments[i]
+  ) {
+    i++;
+  }
+  return i;
 }