diff --git a/eth/downloader/downloader.go b/eth/downloader/downloader.go
index d14277b697..ac0a0e27bf 100644
--- a/eth/downloader/downloader.go
+++ b/eth/downloader/downloader.go
@@ -666,6 +666,7 @@ func (d *Downloader) Cancel() {
 
 // ResetSkeleton terminates the skeleton syncer and reinitializes it.
 func (d *Downloader) ResetSkeleton() {
+	log.Debug("Resetting skeleton syncer due to chain rewind")
 	d.skeleton.Terminate()
 	rawdb.DeleteSkeletonSyncStatus(d.stateDB)
 	d.skeleton = newSkeleton(d.stateDB, d.peers, d.dropPeer, newBeaconBackfiller(d, d.success))