diff --git a/codex-rs/exec-server/src/client_transport.rs b/codex-rs/exec-server/src/client_transport.rs
index 752bf270378c..1ccfd69152bc 100644
--- a/codex-rs/exec-server/src/client_transport.rs
+++ b/codex-rs/exec-server/src/client_transport.rs
@@ -274,7 +274,9 @@ impl ExecServerClient {
             connect_async_with_config(
                 request,
                 Some(noise_relay_websocket_config()),
-                /*disable_nagle*/ false,
+                // Rendezvous sends small, latency-sensitive frames, so avoid Nagle's coalescing delay.
+                /*disable_nagle*/
+                true,
             ),
         )
         .await
diff --git a/codex-rs/exec-server/src/remote.rs b/codex-rs/exec-server/src/remote.rs
index f5e233ce9d75..58fcd8c6540c 100644
--- a/codex-rs/exec-server/src/remote.rs
+++ b/codex-rs/exec-server/src/remote.rs
@@ -561,7 +561,9 @@ async fn connect_rendezvous(
         connect_async_with_config(
             request,
             Some(noise_relay_websocket_config()),
-            /*disable_nagle*/ false,
+            // Rendezvous sends small, latency-sensitive frames, so avoid Nagle's coalescing delay.
+            /*disable_nagle*/
+            true,
         )
         .await
         .map(|(websocket, _)| websocket)