diff --git a/app/lib/ui/flow/media_preview/components/network_image_preview/network_image_preview_view_model.dart b/app/lib/ui/flow/media_preview/components/network_image_preview/network_image_preview_view_model.dart
index 44e5a11..4f60eaf 100644
--- a/app/lib/ui/flow/media_preview/components/network_image_preview/network_image_preview_view_model.dart
+++ b/app/lib/ui/flow/media_preview/components/network_image_preview/network_image_preview_view_model.dart
@@ -90,8 +90,10 @@ class NetworkImagePreviewStateNotifier
   }
 
   @override
-  void dispose() {
-    tempFile?.deleteSync();
+  Future<void> dispose() async {
+    if (tempFile != null && await tempFile!.exists()) {
+      await tempFile!.delete();
+    }
     cancelToken?.cancel();
     super.dispose();
   }