diff --git a/src/components/layout/navbar.tsx b/src/components/layout/navbar.tsx
index d88e625..32c91c1 100644
--- a/src/components/layout/navbar.tsx
+++ b/src/components/layout/navbar.tsx
@@ -26,7 +26,7 @@ export function Navbar() {
   React.useEffect(() => {
     const supabase = createClient();
     if (!supabase) return;
-    supabase.auth.getUser().then(({ data }) => setLoggedIn(!!data.user));
+    supabase.auth.getUser().then(({ data }) => setLoggedIn(!!data.user)).catch(() => setLoggedIn(false));
     const { data: { subscription } } = supabase.auth.onAuthStateChange(
       (_, session) => setLoggedIn(!!session),
     );
diff --git a/src/components/map/places-map.tsx b/src/components/map/places-map.tsx
index f337cfa..807f767 100644
--- a/src/components/map/places-map.tsx
+++ b/src/components/map/places-map.tsx
@@ -127,7 +127,7 @@ export function PlacesMap({ places }: PlacesMapProps) {
   React.useEffect(() => {
     const supabase = createClient();
     if (!supabase) return; // self-host / preview mode: no auth, no private layer
-    supabase.auth.getUser().then(({ data }) => setUser(data.user));
+    supabase.auth.getUser().then(({ data }) => setUser(data.user)).catch(() => setUser(null));
     const {
       data: { subscription },
     } = supabase.auth.onAuthStateChange((_, session) => setUser(session?.user ?? null));