diff --git a/frontend/src/components/layout/Sidebar.tsx b/frontend/src/components/layout/Sidebar.tsx
index b2235008..4d774098 100644
--- a/frontend/src/components/layout/Sidebar.tsx
+++ b/frontend/src/components/layout/Sidebar.tsx
@@ -160,7 +160,9 @@ export function Sidebar() {
   /* ── Active detection ─────────────────────────────── */
 
   const isActive = (item: NavEntry) => {
-    if (item.matchPaths) return item.matchPaths.some(p => location.pathname.startsWith(p))
+    if (item.matchPaths) return item.matchPaths.some(p =>
+      p === '/' ? location.pathname === '/' : location.pathname.startsWith(p)
+    )
     if (item.href === '/') return location.pathname === '/'
     return location.pathname.startsWith(item.href)
   }