diff --git a/lib/widget/fileViewer.dart b/lib/widget/fileViewer.dart
index 72d0ea3..5907aa2 100644
--- a/lib/widget/fileViewer.dart
+++ b/lib/widget/fileViewer.dart
@@ -78,6 +78,8 @@ class _FileViewerState extends State<FileViewer> {
             backgroundColor: Colors.white,
             body: PhotoView(
               controller: photoViewController,
+              maxScale: 3.0,
+              minScale: 0.1,
               imageProvider: Image.file(File(widget.path)).image,
               backgroundDecoration: BoxDecoration(color: Theme.of(context).colorScheme.surface),
             )