diff --git a/lib/screens/metering/components/camera_container/bloc_container_camera.dart b/lib/screens/metering/components/camera_container/bloc_container_camera.dart
index 50d5fdf..877c0ef 100644
--- a/lib/screens/metering/components/camera_container/bloc_container_camera.dart
+++ b/lib/screens/metering/components/camera_container/bloc_container_camera.dart
@@ -60,7 +60,7 @@ class CameraContainerBloc extends EvSourceBlocBase<CameraContainerEvent, CameraC
   @override
   Future<void> close() async {
     WidgetsBinding.instance.removeObserver(_observer);
-    unawaited(_cameraController?.dispose());
+    unawaited(_cameraController?.dispose().then((_) => _cameraController = null));
     communicationBloc.add(communication_event.MeteringEndedEvent(_ev100));
     return super.close();
   }
@@ -151,7 +151,7 @@ class CameraContainerBloc extends EvSourceBlocBase<CameraContainerEvent, CameraC
 
   Future<void> _onDeinitialize(DeinitializeEvent _, Emitter emit) async {
     emit(const CameraLoadingState());
-    unawaited(_cameraController?.dispose());
+    unawaited(_cameraController?.dispose().then((_) => _cameraController = null));
   }
 
   Future<void> _onZoomChanged(ZoomChangedEvent event, Emitter emit) async {