diff --git a/lib/widgets/map_view.dart b/lib/widgets/map_view.dart
index 0dcd8f9..9407569 100644
--- a/lib/widgets/map_view.dart
+++ b/lib/widgets/map_view.dart
@@ -160,7 +160,7 @@ class MapViewState extends State<MapView> {
       getNearbyNodes: () {
         if (mounted) {
           try {
-            LatLngBounds? mapBounds;
+            final LatLngBounds mapBounds;
             try {
               mapBounds = _controller.mapController.camera.visibleBounds;
             } catch (_) {