diff --git a/CHANGELOG.md b/CHANGELOG.md
index 06882a793a4..c519d607778 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -17,6 +17,7 @@
 - https://github.com/filecoin-project/lotus/pull/12292: feat: p2p: allow overriding bootstrap nodes with environmemnt variable
 - https://github.com/filecoin-project/lotus/pull/12319: feat: `lotus send CLI`: allow sending to ETH addresses
 - https://github.com/filecoin-project/lotus/pull/12332: fix: ETH RPC: receipts: use correct txtype in receipts
+- https://github.com/filecoin-project/lotus/pull/12335: fix: lotus-shed: store processed tipset after backfilling events
 
 ## New features
 
diff --git a/cmd/lotus-shed/indexes.go b/cmd/lotus-shed/indexes.go
index 812d8059bb7..f81f89f1eab 100644
--- a/cmd/lotus-shed/indexes.go
+++ b/cmd/lotus-shed/indexes.go
@@ -26,9 +26,10 @@ import (
 
 const (
 	// same as in chain/events/index.go
-	eventExists = `SELECT MAX(id) FROM event WHERE height=? AND tipset_key=? AND tipset_key_cid=? AND emitter_addr=? AND event_index=? AND message_cid=? AND message_index=?`
-	insertEvent = `INSERT OR IGNORE INTO event(height, tipset_key, tipset_key_cid, emitter_addr, event_index, message_cid, message_index, reverted) VALUES(?, ?, ?, ?, ?, ?, ?, ?)`
-	insertEntry = `INSERT OR IGNORE INTO event_entry(event_id, indexed, flags, key, codec, value) VALUES(?, ?, ?, ?, ?, ?)`
+	eventExists      = `SELECT MAX(id) FROM event WHERE height=? AND tipset_key=? AND tipset_key_cid=? AND emitter_addr=? AND event_index=? AND message_cid=? AND message_index=?`
+	insertEvent      = `INSERT OR IGNORE INTO event(height, tipset_key, tipset_key_cid, emitter_addr, event_index, message_cid, message_index, reverted) VALUES(?, ?, ?, ?, ?, ?, ?, ?)`
+	insertEntry      = `INSERT OR IGNORE INTO event_entry(event_id, indexed, flags, key, codec, value) VALUES(?, ?, ?, ?, ?, ?)`
+	upsertEventsSeen = `INSERT INTO events_seen(height, tipset_key_cid, reverted) VALUES(?, ?, false) ON CONFLICT(height, tipset_key_cid) DO UPDATE SET reverted=false`
 )
 
 func withCategory(cat string, cmd *cli.Command) *cli.Command {
@@ -176,6 +177,11 @@ var backfillEventsCmd = &cli.Command{
 			return err
 		}
 
+		stmtUpsertEventSeen, err := db.Prepare(upsertEventsSeen)
+		if err != nil {
+			return err
+		}
+
 		processHeight := func(ctx context.Context, cnt int, msgs []lapi.Message, receipts []*types.MessageReceipt) error {
 			var tx *sql.Tx
 			for {
@@ -196,6 +202,11 @@ var backfillEventsCmd = &cli.Command{
 			var eventsAffected int64
 			var entriesAffected int64
 
+			tsKeyCid, err := currTs.Key().Cid()
+			if err != nil {
+				return fmt.Errorf("failed to get tipset key cid: %w", err)
+			}
+
 			// loop over each message receipt and backfill the events
 			for idx, receipt := range receipts {
 				msg := msgs[idx]
@@ -225,11 +236,6 @@ var backfillEventsCmd = &cli.Command{
 						addressLookups[event.Emitter] = addr
 					}
 
-					tsKeyCid, err := currTs.Key().Cid()
-					if err != nil {
-						return fmt.Errorf("failed to get tipset key cid: %w", err)
-					}
-
 					// select the highest event id that exists in database, or null if none exists
 					var entryID sql.NullInt64
 					err = tx.Stmt(stmtEventExists).QueryRow(
@@ -299,6 +305,15 @@ var backfillEventsCmd = &cli.Command{
 				}
 			}
 
+			// mark the tipset as processed
+			_, err = tx.Stmt(stmtUpsertEventSeen).Exec(
+				currTs.Height(),
+				tsKeyCid.Bytes(),
+			)
+			if err != nil {
+				return xerrors.Errorf("exec upsert events seen: %w", err)
+			}
+
 			err = tx.Commit()
 			if err != nil {
 				return fmt.Errorf("failed to commit transaction: %w", err)