diff --git a/sealing.go b/sealing.go
index b74d34db1..402ff8a11 100644
--- a/sealing.go
+++ b/sealing.go
@@ -38,7 +38,7 @@ type sealingApi interface { // TODO: trim down
 	StateMinerSectors(context.Context, address.Address, types.TipSetKey) ([]*api.ChainSectorInfo, error)
 	StateMinerProvingSet(context.Context, address.Address, types.TipSetKey) ([]*api.ChainSectorInfo, error)
 	StateMinerSectorSize(context.Context, address.Address, types.TipSetKey) (abi.SectorSize, error)
-	StateWaitMsg(context.Context, cid.Cid) (*api.MsgWait, error) // TODO: removeme eventually
+	StateWaitMsg(context.Context, cid.Cid) (*api.MsgLookup, error) // TODO: removeme eventually
 	StateGetActor(ctx context.Context, actor address.Address, ts types.TipSetKey) (*types.Actor, error)
 	StateGetReceipt(context.Context, cid.Cid, types.TipSetKey) (*types.MessageReceipt, error)
 	StateMarketStorageDeal(context.Context, abi.DealID, types.TipSetKey) (*api.MarketDeal, error)