diff --git a/nanoid.js b/nanoid.js
index 493f9a2c..ffa1d4b3 100644
--- a/nanoid.js
+++ b/nanoid.js
@@ -1 +1 @@
-export let nanoid=(t=21)=>crypto.getRandomValues(new Uint8Array(t)).reduce(((t,e)=>t+=(e&=63)<36?e.toString(36):e<62?(e-26).toString(36).toUpperCase():e>62?"-":"_"),"");
\ No newline at end of file
+let a="useandom-26T198340PX75pxJACKVERYMINDBUSHWOLF_GQZbfghjklqvwyzrict";export let nanoid=(e=21)=>{let t="",r=crypto.getRandomValues(new Uint8Array(e));for(let n=0;n<e;n++)t+=a[63&r[n]];return t};
\ No newline at end of file
diff --git a/test/update-prebuild.js b/test/update-prebuild.js
index 41db040b..e4347dda 100755
--- a/test/update-prebuild.js
+++ b/test/update-prebuild.js
@@ -2,15 +2,17 @@
 
 import { readFile, writeFile } from 'node:fs/promises'
 import { join } from 'node:path'
-import { fileURLToPath } from 'node:url'
 import { minify } from 'terser'
 
-const ROOT = join(fileURLToPath(import.meta.url), '..', '..')
+import { urlAlphabet } from '../url-alphabet/index.js'
+
+const ROOT = join(import.meta.dirname, '..')
 
 async function build() {
   let js = await readFile(join(ROOT, 'index.browser.js'))
   let func = js.toString().match(/(export let nanoid [\W\w]*$)/)[1]
-  let { code } = await minify(func)
+  let all = `let a = '${urlAlphabet}'\n${func.replaceAll('urlAlphabet', 'a')}`
+  let { code } = await minify(all)
   await writeFile(join(ROOT, 'nanoid.js'), code)
 }