diff --git a/src/components/playback/playbackmanager.js b/src/components/playback/playbackmanager.js
index 0e2bd7c95..002363738 100644
--- a/src/components/playback/playbackmanager.js
+++ b/src/components/playback/playbackmanager.js
@@ -2350,7 +2350,7 @@ class PlaybackManager {
             let directOptions;
 
             if (mediaSource.MediaStreams && player.useFullSubtitleUrls) {
-                mediaSource.MediaStreams.map(stream => {
+                mediaSource.MediaStreams.forEach(stream => {
                     if (stream.DeliveryUrl && stream.DeliveryUrl.startsWith('/')) {
                         stream.DeliveryUrl = apiClient.getUrl(stream.DeliveryUrl);
                     }
diff --git a/src/components/syncPlay/core/PlaybackCore.js b/src/components/syncPlay/core/PlaybackCore.js
index b88a1f073..2cab13e78 100644
--- a/src/components/syncPlay/core/PlaybackCore.js
+++ b/src/components/syncPlay/core/PlaybackCore.js
@@ -118,7 +118,7 @@ class PlaybackCore {
      * Sends a buffering request to the server.
      * @param {boolean} isBuffering Whether this client is buffering or not.
      */
-     async sendBufferingRequest(isBuffering = true) {
+    async sendBufferingRequest(isBuffering = true) {
         const playerWrapper = this.manager.getPlayerWrapper();
         const currentPosition = (playerWrapper.currentTimeAsync
             ? await playerWrapper.currentTimeAsync()
diff --git a/src/components/syncPlay/ui/playbackPermissionManager.js b/src/components/syncPlay/ui/playbackPermissionManager.js
index feebf8587..89d8da5b9 100644
--- a/src/components/syncPlay/ui/playbackPermissionManager.js
+++ b/src/components/syncPlay/ui/playbackPermissionManager.js
@@ -34,7 +34,7 @@ class PlaybackPermissionManager {
      * Tests playback permission. Grabs the permission when called inside a click event (or any other valid user interaction).
      * @returns {Promise} Promise that resolves succesfully if playback permission is allowed.
      */
-     async check () {
+    async check () {
         if (await getIgnorePlayPermission()) {
             return true;
         }