diff --git a/library/src/main/java/com/google/android/exoplayer2/source/hls/playlist/HlsPlaylistTracker.java b/library/src/main/java/com/google/android/exoplayer2/source/hls/playlist/HlsPlaylistTracker.java
index abad300f70..e368b1c37f 100644
--- a/library/src/main/java/com/google/android/exoplayer2/source/hls/playlist/HlsPlaylistTracker.java
+++ b/library/src/main/java/com/google/android/exoplayer2/source/hls/playlist/HlsPlaylistTracker.java
@@ -311,6 +311,10 @@ public final class HlsPlaylistTracker implements Loader.Callback<ParsingLoadable
       // Playlist has not changed.
       return oldPlaylist;
     }
+    if (mediaSequenceOffset < 0) {
+      // Playlist has changed but media sequence has regressed.
+      return oldPlaylist;
+    }
     if (mediaSequenceOffset <= oldPlaylistSize) {
       // We can extrapolate the start time of new segments from the segments of the old snapshot.
       ArrayList<HlsMediaPlaylist.Segment> newSegments = new ArrayList<>(newPlaylistSize);