diff --git a/lib/ui/viewer/gallery/collection_page.dart b/lib/ui/viewer/gallery/collection_page.dart
index 554b252c3..b0241dc95 100644
--- a/lib/ui/viewer/gallery/collection_page.dart
+++ b/lib/ui/viewer/gallery/collection_page.dart
@@ -20,7 +20,7 @@ class CollectionPage extends StatelessWidget {
   final String tagPrefix;
   final GalleryType appBarType;
   final _selectedFiles = SelectedFiles();
-  bool hasVerifiedLock;
+  final bool hasVerifiedLock;
 
   CollectionPage(
     this.c, {