diff --git a/packages/nextcloud/lib/src/webdav/client.dart b/packages/nextcloud/lib/src/webdav/client.dart
index 6d1b49b0..87fc020e 100644
--- a/packages/nextcloud/lib/src/webdav/client.dart
+++ b/packages/nextcloud/lib/src/webdav/client.dart
@@ -189,7 +189,7 @@ class WebDavClient {
       file.openRead().map((final chunk) {
         uploaded += chunk.length;
         onProgress?.call(uploaded / fileStat.size);
-        return Uint8List.fromList(chunk);
+        return chunk as Uint8List;
       }),
       path,
       lastModified: lastModified,