diff --git a/CHANGELOG.md b/CHANGELOG.md
index ea2df3d..82c264f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 2.0.2
+
+* Fix computation of the audience given to metadata providers to include the scheme.
+
 ## 2.0.1
 
 * Fix computation of authority. This should fix authorization.
diff --git a/lib/src/client/call.dart b/lib/src/client/call.dart
index 0e1eb56..3085378 100644
--- a/lib/src/client/call.dart
+++ b/lib/src/client/call.dart
@@ -150,7 +150,7 @@ class ClientCall<Q, R> implements Response {
       Future.forEach(
               options.metadataProviders,
               (provider) => provider(
-                  metadata, "${connection.authority}${audiencePath(_method)}"))
+                  metadata, '${connection.scheme}://${connection.authority}${audiencePath(_method)}'))
           .then((_) => _sendRequest(connection, _sanitizeMetadata(metadata)))
           .catchError(_onMetadataProviderError);
     }
diff --git a/lib/src/client/connection.dart b/lib/src/client/connection.dart
index b6c829d..baec80f 100644
--- a/lib/src/client/connection.dart
+++ b/lib/src/client/connection.dart
@@ -38,6 +38,7 @@ enum ConnectionState {
 
 abstract class ClientConnection {
   String get authority;
+  String get scheme;
 
   /// Put [call] on the queue to be dispatched when the connection is ready.
   void dispatchCall(ClientCall call);
diff --git a/lib/src/client/http2_connection.dart b/lib/src/client/http2_connection.dart
index a4d8c9c..c6b0df4 100644
--- a/lib/src/client/http2_connection.dart
+++ b/lib/src/client/http2_connection.dart
@@ -65,6 +65,8 @@ class Http2ClientConnection implements connection.ClientConnection {
   String get authority =>
       options.credentials.authority ?? (port == 443 ? host : "$host:$port");
 
+  String get scheme => options.credentials.isSecure ? 'https' : 'http';
+
   ConnectionState get state => _state;
 
   Future<ClientTransportConnection> connectTransport() async {
diff --git a/lib/src/client/transport/xhr_transport.dart b/lib/src/client/transport/xhr_transport.dart
index f0e6eea..ad89caf 100644
--- a/lib/src/client/transport/xhr_transport.dart
+++ b/lib/src/client/transport/xhr_transport.dart
@@ -143,6 +143,7 @@ class XhrClientConnection extends ClientConnection {
   XhrClientConnection(this.uri);
 
   String get authority => uri.authority;
+  String get scheme => uri.scheme;
 
   void _initializeRequest(HttpRequest request, Map<String, String> metadata) {
     for (final header in metadata.keys) {
diff --git a/pubspec.yaml b/pubspec.yaml
index 3e7ce7b..44d9dd1 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,7 +1,7 @@
 name: grpc
 description: Dart implementation of gRPC, a high performance, open-source universal RPC framework.
 
-version: 2.0.1
+version: 2.0.2
 
 author: Dart Team <misc@dartlang.org>
 homepage: https://github.com/dart-lang/grpc-dart