diff --git a/js&css/web-accessible/functions.js b/js&css/web-accessible/functions.js
index ff21759c5..b779975ba 100644
--- a/js&css/web-accessible/functions.js
+++ b/js&css/web-accessible/functions.js
@@ -382,10 +382,12 @@ ImprovedTube.videoPageUpdate = function () {
 		ImprovedTube.playerControls();
 		
 		// Initialize large playlist handler for playlist videos
-		if (this.getParam(location.href, 'list')) {
+		// Skip queue-type playlists (WL, RD, etc.) to prevent interference
+		var listId = this.getParam(location.href, 'list');
+		if (listId && listId !== 'WL' && listId !== 'RD' && listId.indexOf('RDAMVM') !== 0 && listId.indexOf('OLAK5uy_') !== 0) {
 			ImprovedTube.playlistLargePlaylistHandler();
 		} else {
-			// Cleanup when not on a playlist
+			// Cleanup when not on a playlist or on a queue-type playlist
 			if (typeof ImprovedTube.cleanupPlaylistHandlers === 'function') {
 				ImprovedTube.cleanupPlaylistHandlers();
 			}
diff --git a/js&css/web-accessible/www.youtube.com/playlist.js b/js&css/web-accessible/www.youtube.com/playlist.js
index 40fc5b105..81a0a5117 100644
--- a/js&css/web-accessible/www.youtube.com/playlist.js
+++ b/js&css/web-accessible/www.youtube.com/playlist.js
@@ -22,9 +22,19 @@ ImprovedTube.playlistUpNextAutoplay = function () {
 // currentIndex and localCurrentIndex to desync at chunk boundaries.
 // This handler keeps them in sync so autoplay continues working.
 // Only runs when playlist_up_next_autoplay is NOT disabled.
+// ⚠️ Skip queue-type playlists (WL=Watch Later, RD=Radio, OLAK5uy_=auto-mix)
+// to prevent interference with YouTube's queue autoplay behavior.
 ImprovedTube.playlistLargePlaylistHandler = function() {
 	if (!this.getParam(location.href, 'list')) return;
 
+	// Skip queue-type playlists — these are not regular user playlists
+	// and the index sync logic can interfere with YouTube's queue autoplay
+	var listId = this.getParam(location.href, 'list');
+	if (listId === 'WL' || listId === 'RD' || listId.indexOf('RDAMVM') === 0 || listId.indexOf('OLAK5uy_') === 0) {
+		this.cleanupPlaylistHandlers();
+		return;
+	}
+
 	// Do not sync indices if the user has disabled playlist autoplay,
 	// because playlistUpNextAutoplay intentionally sets currentIndex
 	// to totalVideos to prevent the next video from playing.