diff --git a/lib/controller/ws.dart b/lib/controller/ws.dart
index 72f9464..b55cd07 100644
--- a/lib/controller/ws.dart
+++ b/lib/controller/ws.dart
@@ -5,9 +5,7 @@ class LiveFeeder {
   late Uri _wsUri;
   late WebSocketChannel channel;
 
-  LiveFeeder();
-
-  void init() {
+  LiveFeeder() {
     String socketUrl = 'ws://xenon:3050/ws';
     Uri baseUri = Uri.base;
     if (baseUri.scheme == 'http' || baseUri.scheme == 'https') {
diff --git a/protobuf/stillbox.proto b/protobuf/stillbox.proto
index ccaf9ca..a3c3391 100644
--- a/protobuf/stillbox.proto
+++ b/protobuf/stillbox.proto
@@ -24,7 +24,8 @@ message Call {
   repeated int64 frequencies = 8;
   repeated int32 patches = 9;
   repeated int32 sources = 10;
-  bytes audio = 11;
+  optional int32 duration = 11;
+  bytes audio = 12;
 }
 
 message UserPopup {