diff --git a/src/gateway/gateway-codex-bind.live.test.ts b/src/gateway/gateway-codex-bind.live.test.ts
index 7309145fece..e668ccdecd0 100644
--- a/src/gateway/gateway-codex-bind.live.test.ts
+++ b/src/gateway/gateway-codex-bind.live.test.ts
@@ -291,6 +291,7 @@ async function writeGatewayConfig(params: {
         agentRuntime: { id: "codex" },
         model: { primary: `codex/${params.model}` },
         skipBootstrap: true,
+        heartbeat: { every: "0m" },
         sandbox: { mode: "off" },
       },
     },