diff --git a/desktop/src/scripts/anime/player.js b/desktop/src/scripts/anime/player.js
index 8a57ed5..0642ac7 100644
--- a/desktop/src/scripts/anime/player.js
+++ b/desktop/src/scripts/anime/player.js
@@ -249,6 +249,7 @@ const AnimePlayer = (function() {
             els.video.onloadedmetadata = onLoadedMetadata;
             els.video.onended = onEnded;
             els.video.onvolumechange = onVolumeChange;
+            els.video.onseeked = onSeeked;
         }
     }
 
@@ -437,6 +438,16 @@ const AnimePlayer = (function() {
         _rpcActive = true;
     }
 
+    function onSeeked() {
+        if (!els.video || els.video.paused || !els.video.duration) return;
+
+        const elapsed = Math.floor(els.video.currentTime);
+        const start = Math.floor(Date.now() / 1000) - elapsed;
+        const end = start + Math.floor(els.video.duration);
+
+        sendRPC({ startTimestamp: start, endTimestamp: end });
+    }
+
     function onPause() {
         if (els.playPauseBtn) {
             els.playPauseBtn.innerHTML = `
diff --git a/docker/src/scripts/anime/player.js b/docker/src/scripts/anime/player.js
index 8a57ed5..0642ac7 100644
--- a/docker/src/scripts/anime/player.js
+++ b/docker/src/scripts/anime/player.js
@@ -249,6 +249,7 @@ const AnimePlayer = (function() {
             els.video.onloadedmetadata = onLoadedMetadata;
             els.video.onended = onEnded;
             els.video.onvolumechange = onVolumeChange;
+            els.video.onseeked = onSeeked;
         }
     }
 
@@ -437,6 +438,16 @@ const AnimePlayer = (function() {
         _rpcActive = true;
     }
 
+    function onSeeked() {
+        if (!els.video || els.video.paused || !els.video.duration) return;
+
+        const elapsed = Math.floor(els.video.currentTime);
+        const start = Math.floor(Date.now() / 1000) - elapsed;
+        const end = start + Math.floor(els.video.duration);
+
+        sendRPC({ startTimestamp: start, endTimestamp: end });
+    }
+
     function onPause() {
         if (els.playPauseBtn) {
             els.playPauseBtn.innerHTML = `