diff --git a/package.json b/package.json
index a759484ecf..ffbbc02954 100644
--- a/package.json
+++ b/package.json
@@ -69,7 +69,7 @@
     "jellyfin-noto": "https://github.com/jellyfin/jellyfin-noto",
     "jquery": "^3.5.0",
     "jstree": "^3.3.7",
-    "libass-wasm": "https://github.com/jellyfin/JavascriptSubtitlesOctopus#4.0.0-jf-cordova",
+    "libass-wasm": "https://github.com/jellyfin/JavascriptSubtitlesOctopus#4.0.0-jf-smarttv",
     "material-design-icons-iconfont": "^5.0.1",
     "native-promise-only": "^0.8.0-a",
     "page": "^1.11.6",
diff --git a/src/components/htmlvideoplayer/plugin.js b/src/components/htmlvideoplayer/plugin.js
index e5c11c9879..f87fd19462 100644
--- a/src/components/htmlvideoplayer/plugin.js
+++ b/src/components/htmlvideoplayer/plugin.js
@@ -602,7 +602,7 @@ define(['browser', 'require', 'events', 'apphost', 'loading', 'dom', 'playbackMa
             // if .ass currently rendering
             if (currentSubtitlesOctopus) {
                 updateCurrentTrackOffset(offsetValue);
-                currentSubtitlesOctopus.timeOffset = offsetValue;
+                currentSubtitlesOctopus.timeOffset = (self._currentPlayOptions.transcodingOffsetTicks || 0) / 10000000 + offsetValue;
             } else {
                 var trackElement = getTextTrack();
                 // if .vtt currently rendering
@@ -860,7 +860,11 @@ define(['browser', 'require', 'events', 'apphost', 'loading', 'dom', 'playbackMa
                 loading.hide();
 
                 htmlMediaHelper.seekOnPlaybackStart(self, e.target, self._currentPlayOptions.playerStartPositionTicks, function () {
-                    if (currentSubtitlesOctopus) currentSubtitlesOctopus.resize();
+                    if (currentSubtitlesOctopus) {
+                        currentSubtitlesOctopus.timeOffset = (self._currentPlayOptions.transcodingOffsetTicks || 0) / 10000000 + currentTrackOffset;
+                        currentSubtitlesOctopus.resize();
+                        currentSubtitlesOctopus.resetRenderAheadCache(false);
+                    }
                 });
 
                 if (self._currentPlayOptions.fullscreen) {
@@ -1066,6 +1070,7 @@ define(['browser', 'require', 'events', 'apphost', 'loading', 'dom', 'playbackMa
                 onError: function() {
                     htmlMediaHelper.onErrorInternal(self, 'mediadecodeerror');
                 },
+                timeOffset: (self._currentPlayOptions.transcodingOffsetTicks || 0) / 10000000,
 
                 // new octopus options; override all, even defaults
                 renderMode: 'blend',
diff --git a/yarn.lock b/yarn.lock
index 18ebcd60d2..e384265ff8 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6811,6 +6811,10 @@ levn@^0.3.0, levn@~0.3.0:
   version "4.0.0"
   resolved "https://github.com/jellyfin/JavascriptSubtitlesOctopus#b38056588bfaebc18a8353cb1757de0a815ac879"
 
+"libass-wasm@https://github.com/jellyfin/JavascriptSubtitlesOctopus#4.0.0-jf-smarttv":
+  version "4.0.0"
+  resolved "https://github.com/jellyfin/JavascriptSubtitlesOctopus#58e9a3f1a7f7883556ee002545f445a430120639"
+
 liftoff@^3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/liftoff/-/liftoff-3.1.0.tgz#c9ba6081f908670607ee79062d700df062c52ed3"