diff --git a/states.go b/states.go
index d2d06a7ca..0a8cfe1d0 100644
--- a/states.go
+++ b/states.go
@@ -103,7 +103,7 @@ func (m *Sealing) handlePreCommitting(ctx statemachine.Context, sector SectorInf
 		SectorNumber: sector.SectorID,
 
 		SealedCID: commcid.ReplicaCommitmentV1ToCID(sector.CommR),
-		SealEpoch: sector.Ticket.BlockHeight,
+		SealRandEpoch: sector.Ticket.BlockHeight,
 		DealIDs:   nil, // sector.deals(), // TODO: REFACTOR
 	}
 	enc, aerr := actors.SerializeParams(params)