diff --git a/cubesys/src/bin/cube-server.rs b/cubesys/src/bin/cube-server.rs
index 268d9cd..7c88ac7 100644
--- a/cubesys/src/bin/cube-server.rs
+++ b/cubesys/src/bin/cube-server.rs
@@ -100,6 +100,19 @@ impl Server {
                                                 }
                                             };
                                             ts.set_identity(ident);
+                                            // Acknowledge the HELLO so the
+                                            // client can proceed to commands.
+                                            if write_frame(
+                                                &mut stream,
+                                                &format!(
+                                                    "ok: tenant {}",
+                                                    ts.identity().unwrap().tenant.as_str()
+                                                ),
+                                            )
+                                            .is_err()
+                                            {
+                                                return;
+                                            }
                                             ts
                                         }
                                         Err(e) => {