diff --git a/tts.ts b/tts.ts
index 907a05c..844166b 100644
--- a/tts.ts
+++ b/tts.ts
@@ -1,3 +1,4 @@
+#!/usr/bin/env node
 import fs from "node:fs/promises";
 import os from "node:os";
 import path from "node:path";
@@ -63,8 +64,8 @@ async function main() {
   const home = os.homedir();
   const cwd = path.join(home, ".ttsc");
 
-  const wavs = await Array.fromAsync(fs.glob(path.join(cwd, "*.wav")));
-  await execa({ cwd, shell: true, reject: false })`rm ${wavs}`;
+  const wavs = fs.glob(path.join(cwd, "*.wav"));
+  for await (const wav of wavs) await fs.rm(wav);
 
   if (edit) {
     const file = path.join(cwd, "input.txt");