diff --git a/node/impl/client/client.go b/node/impl/client/client.go
index c788c3c07..ef8e9e022 100644
--- a/node/impl/client/client.go
+++ b/node/impl/client/client.go
@@ -165,7 +165,7 @@ func (a *API) ClientStartDeal(ctx context.Context, params *api.StartDealParams)
 		EndEpoch:      calcDealExpiration(params.MinBlocksDuration, md, dealStart),
 		Price:         params.EpochPrice,
 		Collateral:    params.ProviderCollateral,
-		Rt:            abi.RegisteredSealProof_StackedDrg32GiBV1_1, // all proof types have the same D tree
+		Rt:            mi.SealProofType,
 		FastRetrieval: params.FastRetrieval,
 		VerifiedDeal:  params.VerifiedDeal,
 		StoreID:       storeID,