diff --git a/src/controller.rs b/src/controller.rs
index 4bd41b6..9d56d85 100644
--- a/src/controller.rs
+++ b/src/controller.rs
@@ -15,7 +15,7 @@ pub struct Server<M> {
 }
 
 pub struct Client<M> {
-    idx: usize,
+    pub idx: usize,
     tx: Sender<M>,
     rx: Receiver<M>,
     info: Sender<(usize, M)>,