diff --git a/src/modules/stream/manage.js b/src/modules/stream/manage.js
index 4702dbda..c051a966 100644
--- a/src/modules/stream/manage.js
+++ b/src/modules/stream/manage.js
@@ -5,12 +5,11 @@ import { nanoid } from "nanoid";
 import { decryptStream, encryptStream, generateHmac } from "../sub/crypto.js";
 import { env } from "../config.js";
 import { strict as assert } from "assert";
+import { isM3UService } from "./shared.js";
 
 // optional dependency
 const freebind = env.freebindCIDR && await import('freebind').catch(() => {});
 
-const M3U_SERVICES = ['dailymotion', 'vimeo', 'rutube', 'nicovideo'];
-
 const streamCache = new NodeCache({
     stdTTL: env.streamLifespan,
     checkperiod: 10,
@@ -108,7 +107,7 @@ export function destroyInternalStream(url) {
 function wrapStream(streamInfo) {
     /* m3u8 links are currently not supported
      * for internal streams, skip them */
-    if (M3U_SERVICES.includes(streamInfo.service)) {
+    if (isM3UService(streamInfo.service)) {
         return streamInfo;
     }
 
diff --git a/src/modules/stream/shared.js b/src/modules/stream/shared.js
index 42df2758..cdd0edb1 100644
--- a/src/modules/stream/shared.js
+++ b/src/modules/stream/shared.js
@@ -29,4 +29,10 @@ export function getHeaders(service) {
     // Converting all header values to strings
     return Object.entries({ ...defaultHeaders, ...serviceHeaders[service] })
         .reduce((p, [key, val]) => ({ ...p, [key]: String(val) }), {})
-}
\ No newline at end of file
+}
+
+const M3U_SERVICES = ["dailymotion", "vimeo", "rutube", "nicovideo"];
+
+export function isM3UService(service) { 
+    return M3U_SERVICES.includes(service);    
+}
diff --git a/src/modules/stream/types.js b/src/modules/stream/types.js
index a1db0c60..d5745c61 100644
--- a/src/modules/stream/types.js
+++ b/src/modules/stream/types.js
@@ -6,7 +6,7 @@ import { create as contentDisposition } from "content-disposition-header";
 import { metadataManager } from "../sub/utils.js";
 import { destroyInternalStream } from "./manage.js";
 import { env, ffmpegArgs } from "../config.js";
-import { getHeaders, closeResponse } from "./shared.js";
+import { getHeaders, closeResponse, isM3UService } from "./shared.js";
 
 function toRawHeaders(headers) {
     return Object.entries(headers)
@@ -215,7 +215,7 @@ export function streamVideoOnly(streamInfo, res) {
             args.push('-an')
         }
 
-        if (["vimeo", "rutube", "dailymotion"].includes(streamInfo.service)) {
+        if (isM3UService(streamInfo.service)) {
             args.push('-bsf:a', 'aac_adtstoasc')
         }