diff --git a/src/agents/bash-tools.exec.background-abort.test.ts b/src/agents/bash-tools.exec.background-abort.test.ts
index 967cbf0f3..00f705589 100644
--- a/src/agents/bash-tools.exec.background-abort.test.ts
+++ b/src/agents/bash-tools.exec.background-abort.test.ts
@@ -7,7 +7,7 @@ import {
 import { createExecTool } from "./bash-tools.exec.js";
 import { killProcessTree } from "./shell-utils.js";
 
-const BACKGROUND_HOLD_CMD = 'node -e "setTimeout(() => {}, 250)"';
+const BACKGROUND_HOLD_CMD = 'node -e "setTimeout(() => {}, 150)"';
 const ABORT_SETTLE_MS = process.platform === "win32" ? 200 : 60;
 const ABORT_WAIT_TIMEOUT_MS = process.platform === "win32" ? 1_500 : 320;
 const POLL_INTERVAL_MS = 15;