diff --git a/lib/ui/gallery.dart b/lib/ui/gallery.dart
index 1a2f3ca8834ed7a00d6a0e702999c3889c969645..2649f7be660eecfd7e84eaf488aa7b1eb9c428a5 100644
--- a/lib/ui/gallery.dart
+++ b/lib/ui/gallery.dart
@@ -101,7 +101,7 @@ class _GalleryState extends State<Gallery> {
               : null,
         ),
         child: Hero(
-          tag: photo.generatedId,
+          tag: photo.hashCode,
           child: ThumbnailWidget(photo),
         ),
       ),
diff --git a/lib/ui/zoomable_image.dart b/lib/ui/zoomable_image.dart
index 60c69e38f938431efc6af223624feb9b03f7ce8c..82496afa7ca6b2cf20ea2fd628fc069bf711b5b8 100644
--- a/lib/ui/zoomable_image.dart
+++ b/lib/ui/zoomable_image.dart
@@ -52,7 +52,7 @@ class _ZoomableImageState extends State<ZoomableImage> {
         scaleStateChangedCallback: _scaleStateChangedCallback,
         minScale: PhotoViewComputedScale.contained,
         gaplessPlayback: true,
-        heroAttributes: PhotoViewHeroAttributes(tag: widget.photo.generatedId),
+        heroAttributes: PhotoViewHeroAttributes(tag: widget.photo.hashCode),
       );
     } else {
       return loadWidget;