diff --git a/lib/ui/viewer/gallery/gallery.dart b/lib/ui/viewer/gallery/gallery.dart
index 540e7ccb7..78a6529ac 100644
--- a/lib/ui/viewer/gallery/gallery.dart
+++ b/lib/ui/viewer/gallery/gallery.dart
@@ -76,7 +76,7 @@ class _GalleryState extends State<Gallery> {
   StreamSubscription<TabDoubleTapEvent>? _tabDoubleTapEvent;
   final _forceReloadEventSubscriptions = <StreamSubscription<Event>>[];
   String? _logTag;
-  int? _photoGridSize;
+  late int _photoGridSize;
 
   @override
   void initState() {