diff --git a/packages/flutter_tools/lib/src/devfs.dart b/packages/flutter_tools/lib/src/devfs.dart index b040dc86e8f..bcc6e59effc 100644 --- a/packages/flutter_tools/lib/src/devfs.dart +++ b/packages/flutter_tools/lib/src/devfs.dart @@ -46,7 +46,7 @@ abstract class DevFSContent { Stream> contentsAsStream(); Stream> contentsAsCompressedStream() { - return contentsAsStream().transform>(gzip.encoder); + return contentsAsStream().cast>().transform>(gzip.encoder); } /// Return the list of files this content depends on.