diff --git a/web/src/plugins/radio/RadioTab.tsx b/web/src/plugins/radio/RadioTab.tsx
index 0592732..95e5e10 100644
--- a/web/src/plugins/radio/RadioTab.tsx
+++ b/web/src/plugins/radio/RadioTab.tsx
@@ -65,7 +65,7 @@ export default function RadioTab({ data }: { data: any }) {
   const [favorites, setFavorites] = useState<Favorite[]>([]);
   const [showFavorites, setShowFavorites] = useState(false);
   const [playingLoading, setPlayingLoading] = useState(false);
-  const searchTimeout = useRef<ReturnType<typeof setTimeout>>();
+  const searchTimeout = useRef<ReturnType<typeof setTimeout>>(undefined);
 
   // ── Fetch initial data ──
   useEffect(() => {
@@ -93,7 +93,7 @@ export default function RadioTab({ data }: { data: any }) {
   }, [data]);
 
   // ── Point click handler (stable ref) ──
-  const handlePointClickRef = useRef<(point: any) => void>();
+  const handlePointClickRef = useRef<(point: any) => void>(undefined);
   handlePointClickRef.current = (point: any) => {
     setSelectedPlace(point);
     setShowFavorites(false);
@@ -117,7 +117,7 @@ export default function RadioTab({ data }: { data: any }) {
       return;
     }
 
-    const globe = Globe()(containerRef.current)
+    const globe = new Globe(containerRef.current)
       .globeImageUrl('//unpkg.com/three-globe/example/img/earth-night.jpg')
       .backgroundColor('rgba(0,0,0,0)')
       .atmosphereColor('rgba(230, 126, 34, 0.25)')