diff --git a/hidive.ts b/hidive.ts
index ff3cd64..32f8efd 100644
--- a/hidive.ts
+++ b/hidive.ts
@@ -18,7 +18,7 @@ import * as langsData from './modules/module.langsData';
 import * as yamlCfg from './modules/module.cfg-loader';
 import * as yargs from './modules/module.app-args';
 import Merger, { Font, MergerInput, SubtitleInput } from './modules/module.merger';
-import { vtt } from './modules/module.vtt2ass';
+import vtt2ass from './modules/module.vtt2ass';
 
 // load req
 import { domain, api } from './modules/module.api-urls';
@@ -1410,7 +1410,7 @@ export default class Hidive implements ServiceClass {
             if (getVttContent.ok && getVttContent.res) {
               console.info(`Subtitle Downloaded: ${sub.url}`);
               //vttConvert(getVttContent.res.body, false, subLang.name, fontSize);
-              const sBody = vtt(undefined, chosenFontSize, getVttContent.res.body, '', subsMargin, options.fontName);
+              const sBody = vtt2ass(undefined, chosenFontSize, getVttContent.res.body, '', subsMargin, options.fontName);
               sxData.title = `${subLang.language} / ${sxData.title}`;
               sxData.fonts = fontsData.assFonts(sBody) as Font[];
               fs.writeFileSync(sxData.path, sBody);
@@ -1664,7 +1664,7 @@ export default class Hidive implements ServiceClass {
             if (getCssContent.ok && getVttContent.ok && getCssContent.res && getVttContent.res) {
               console.info(`Subtitle Downloaded: ${await this.genSubsUrl('vtt', subsXUrl)}`);
               //vttConvert(getVttContent.res.body, false, subLang.name, fontSize);
-              const sBody = vtt(undefined, chosenFontSize, getVttContent.res.body, getCssContent.res.body, subsMargin, options.fontName);
+              const sBody = vtt2ass(undefined, chosenFontSize, getVttContent.res.body, getCssContent.res.body, subsMargin, options.fontName);
               sxData.title = `${subLang.language} / ${sxData.title}`;
               sxData.fonts = fontsData.assFonts(sBody) as Font[];
               fs.writeFileSync(sxData.path, sBody);
diff --git a/modules/module.vtt2ass.ts b/modules/module.vtt2ass.ts
index 9c5f7ea..25d2fe3 100644
--- a/modules/module.vtt2ass.ts
+++ b/modules/module.vtt2ass.ts
@@ -405,7 +405,7 @@ function toSubTime(str: string) {
   return n.slice(0, 3).join(':') + '.' + n[3];
 }
 
-function vtt(group: string | undefined, xFontSize: number | undefined, vttStr: string, cssStr: string, timeMargin?: number, replaceFont?: string) {
+export default function vtt2ass(group: string | undefined, xFontSize: number | undefined, vttStr: string, cssStr: string, timeMargin?: number, replaceFont?: string) {
   relGroup = group ?? '';
   fontSize = xFontSize && xFontSize > 0 ? xFontSize : 34; // 1em to pix
   tmMrg = timeMargin ? timeMargin : 0; //
@@ -432,5 +432,3 @@ function vtt(group: string | undefined, xFontSize: number | undefined, vttStr: s
     loadVTT(vttStr)
   );
 }
-
-export { vtt };