diff --git a/app/src/main/java/app/fedilab/fedilabtube/PeertubeActivity.java b/app/src/main/java/app/fedilab/fedilabtube/PeertubeActivity.java
index 2cdd5c7..d978bff 100644
--- a/app/src/main/java/app/fedilab/fedilabtube/PeertubeActivity.java
+++ b/app/src/main/java/app/fedilab/fedilabtube/PeertubeActivity.java
@@ -694,7 +694,12 @@ public class PeertubeActivity extends AppCompatActivity {
                             }
                         }
                         dialogBuilder.setSingleChoiceItems(itemsLabelLanguage, i, (dialog, which) -> {
-                            Uri uri = Uri.parse("https://" + getLiveInstance(PeertubeActivity.this) + captions.get(which).getCaptionPath());
+
+                            Uri uri = null;
+                            if (which > 0) {
+                                uri = Uri.parse("https://" + getLiveInstance(PeertubeActivity.this) + captions.get(which - 1).getCaptionPath());
+                            }
+
                             int video_cache = sharedpreferences.getInt(Helper.SET_VIDEO_CACHE, Helper.DEFAULT_VIDEO_CACHE_MB);
 
                             long position = player.getCurrentPosition();
@@ -706,29 +711,36 @@ public class PeertubeActivity extends AppCompatActivity {
                             TrackSelector trackSelector = new DefaultTrackSelector(new AdaptiveTrackSelection.Factory(bandwidthMeter));
                             player = ExoPlayerFactory.newSimpleInstance(PeertubeActivity.this, trackSelector);
                             ProgressiveMediaSource videoSource;
-                            MediaSource subtitleSource;
+                            MediaSource subtitleSource = null;
                             Format subtitleFormat = Format.createTextSampleFormat(
                                     null,
-                                    MimeTypes.APPLICATION_SUBRIP,
+                                    MimeTypes.TEXT_VTT,
                                     Format.NO_VALUE,
-                                    "en");
+                                    itemsKeyLanguage[which]);
+
                             if (video_cache == 0) {
                                 DataSource.Factory dataSourceFactory = new DefaultDataSourceFactory(PeertubeActivity.this,
                                         Util.getUserAgent(PeertubeActivity.this, null), null);
                                 videoSource = new ProgressiveMediaSource.Factory(dataSourceFactory)
                                         .createMediaSource(Uri.parse(apiResponse.getPeertubes().get(0).getFileUrl(null, PeertubeActivity.this)));
-
-                                subtitleSource = new SingleSampleMediaSource(uri, dataSourceFactory, subtitleFormat, C.TIME_UNSET);
+                                if (uri != null)
+                                    subtitleSource = new SingleSampleMediaSource(uri, dataSourceFactory, subtitleFormat, C.TIME_UNSET);
                             } else {
                                 CacheDataSourceFactory cacheDataSourceFactory = new CacheDataSourceFactory(PeertubeActivity.this);
                                 videoSource = new ProgressiveMediaSource.Factory(cacheDataSourceFactory)
                                         .createMediaSource(Uri.parse(apiResponse.getPeertubes().get(0).getFileUrl(null, PeertubeActivity.this)));
-                                subtitleSource = new SingleSampleMediaSource(uri, cacheDataSourceFactory, subtitleFormat, C.TIME_UNSET);
+                                if (uri != null)
+                                    subtitleSource = new SingleSampleMediaSource(uri, cacheDataSourceFactory, subtitleFormat, C.TIME_UNSET);
                             }
-                            MergingMediaSource mergedSource =
-                                    new MergingMediaSource(videoSource, subtitleSource);
+
                             playerView.setPlayer(player);
-                            player.prepare(mergedSource);
+                            if (which > 0 && subtitleSource != null) {
+                                MergingMediaSource mergedSource =
+                                        new MergingMediaSource(videoSource, subtitleSource);
+                                player.prepare(mergedSource);
+                            } else {
+                                player.prepare(videoSource);
+                            }
                             player.seekTo(0, position);
                             player.setPlayWhenReady(true);