diff --git a/test/model/filters_test.dart b/test/model/filters_test.dart
index e1412de03..2e12a3422 100644
--- a/test/model/filters_test.dart
+++ b/test/model/filters_test.dart
@@ -15,7 +15,7 @@ void main() {
     final album = AlbumFilter('path/to/album', 'album');
     expect(album, jsonRoundTrip(album));
 
-    final fav = FavouriteFilter.instance;
+    const fav = FavouriteFilter.instance;
     expect(fav, jsonRoundTrip(fav));
 
     final location = LocationFilter(LocationLevel.country, 'France${LocationFilter.locationSeparator}FR');