diff --git a/chain/deals/provider.go b/chain/deals/provider.go
index 132e3bf12..bf71e3460 100644
--- a/chain/deals/provider.go
+++ b/chain/deals/provider.go
@@ -42,7 +42,7 @@ type Provider struct {
 	askLk sync.Mutex
 
 	sminer *storage.Miner
-	full  api.FullNode
+	full   api.FullNode
 
 	// TODO: Use a custom protocol or graphsync in the future
 	// TODO: GC
@@ -80,8 +80,8 @@ func NewProvider(ds dtypes.MetadataDS, sminer *storage.Miner, dag dtypes.Staging
 
 	h := &Provider{
 		sminer: sminer,
-		dag:   dag,
-		full:  fullNode,
+		dag:    dag,
+		full:   fullNode,
 
 		pricePerByteBlock: types.NewInt(3), // TODO: allow setting
 		minPieceSize:      1,
diff --git a/lib/sectorbuilder/sectorbuilder.go b/lib/sectorbuilder/sectorbuilder.go
index 0c1aeb66e..f17dd4121 100644
--- a/lib/sectorbuilder/sectorbuilder.go
+++ b/lib/sectorbuilder/sectorbuilder.go
@@ -142,7 +142,10 @@ func VerifySeal(sectorSize uint64, commR, commD []byte, proverID address.Address
 	copy(seeda[:], seed)
 	proverIDa := addressToProverID(proverID)
 
-	return sectorbuilder.VerifySeal(sectorSize, commRa, commDa, proverIDa, ticketa, seeda, sectorID, proof, nil)
+	return sectorbuilder.VerifySeal(sectorSize, commRa, commDa, proverIDa, ticketa, seeda, sectorID, proof, []sectorbuilder.PublicPieceInfo{{
+		Size:  UserBytesForSectorSize(sectorSize), // TODO: Provide the real piece size?
+		CommP: commDa,
+	}})
 }
 
 func NewSortedSectorInfo(sectors []SectorInfo) SortedSectorInfo {