diff --git a/packages/coding-agent/src/subprocess/worker-client.ts b/packages/coding-agent/src/subprocess/worker-client.ts
index bc788e922..dd3af7d0d 100644
--- a/packages/coding-agent/src/subprocess/worker-client.ts
+++ b/packages/coding-agent/src/subprocess/worker-client.ts
@@ -104,7 +104,7 @@ export function resolveWorkerSpawnCmd(workerArg: string): WorkerSpawnCommand {
 		return { cmd: [executable, path.basename(hostEntry), workerArg], cwd: path.dirname(hostEntry) };
 	}
 	const packageRoot = path.resolve(import.meta.dir, "..", "..");
-	return { cmd: [process.execPath, "src/cli.ts", workerArg], cwd: packageRoot };
+	return { cmd: [executable, "src/cli.ts", workerArg], cwd: packageRoot };
 }
 
 /**