diff --git a/server/api/pronounce/[voice]/[pronunciation].get.ts b/server/api/pronounce/[voice]/[pronunciation].get.ts
index b7a81d22f..d857408c5 100644
--- a/server/api/pronounce/[voice]/[pronunciation].get.ts
+++ b/server/api/pronounce/[voice]/[pronunciation].get.ts
@@ -3,16 +3,16 @@ import { NoSuchKey } from '@aws-sdk/client-s3';
 import type { S3 } from '@aws-sdk/client-s3';
 import type { NodeJsClient } from '@smithy/types';
 import { Base64 } from 'js-base64';
-import sha1 from 'sha1';
 
 import {
     convertPronunciationStringToSsml,
     convertPronunciationStringToNarakeetFormat,
+    sha256,
 } from '#shared/helpers.ts';
 import { voices } from '#shared/pronunciation/voices.ts';
 import type { VoiceKey, AwsPollyVoice, NarakeetVoice, Voice } from '#shared/pronunciation/voices.ts';
 import { s3, awsConfig, s3BucketParams } from '~~/server/cloudServices.ts';
-import { getLocale, loadConfig, localesDict } from '~~/server/data.ts';
+import { localesDict } from '~~/server/data.ts';
 
 type ProviderKey = 'aws_polly' | 'narakeet';
 interface Provider {
@@ -82,9 +82,6 @@ export default defineEventHandler(async (event) => {
         });
     }
 
-    const locale = getLocale(event);
-    const config = await loadConfig(locale);
-
     const voiceKey = getRouterParam(event, 'voice');
     if (voiceKey === undefined || !(voiceKey in voices)) {
         throw createError({
@@ -96,7 +93,7 @@ export default defineEventHandler(async (event) => {
     const voice = voices[voiceKey as VoiceKey];
     const provider = providers[(voice.provider || 'aws_polly') as ProviderKey];
     const tokenised = provider.tokenised(text);
-    const key = `pronunciation/${config.locale}-${voiceKey}/${sha1(tokenised)}.mp3`;
+    const key = `pronunciation/${voiceKey}/${await sha256(tokenised)}.mp3`;
 
     try {
         const s3Response = await (s3 as NodeJsClient<S3>).getObject({ Key: key, ...s3BucketParams });