diff --git a/cmd/lotus-bench/main.go b/cmd/lotus-bench/main.go
index 684ae24cc..ce825a9e1 100644
--- a/cmd/lotus-bench/main.go
+++ b/cmd/lotus-bench/main.go
@@ -233,7 +233,7 @@ func main() {
 				precommit2 := time.Now()
 
 				sealedSectors = append(sealedSectors, abi.SectorInfo{
-					RegisteredProof: ppt,
+					RegisteredProof: spt,
 					SectorNumber:    i,
 					SealedCID:       commR,
 				})
@@ -282,7 +282,7 @@ func main() {
 					OnChain: abi.OnChainSealVerifyInfo{
 						SealedCID:        commR,
 						InteractiveEpoch: seed.Epoch,
-						RegisteredProof:  ppt,
+						RegisteredProof:  spt,
 						Proof:            proof,
 						DealIDs:          nil,
 						SectorNumber:     i,
@@ -368,6 +368,7 @@ func main() {
 
 			var candidates []abi.PoStCandidate
 			for _, c := range fcandidates {
+				c.Candidate.RegisteredProof = ppt
 				candidates = append(candidates, c.Candidate)
 			}
 
diff --git a/go.sum b/go.sum
index f48aed951..54768a163 100644
--- a/go.sum
+++ b/go.sum
@@ -120,12 +120,6 @@ github.com/filecoin-project/go-paramfetch v0.0.2-0.20200218225740-47c639bab663 h
 github.com/filecoin-project/go-paramfetch v0.0.2-0.20200218225740-47c639bab663/go.mod h1:fZzmf4tftbwf9S37XRifoJlz7nCjRdIrMGLR07dKLCc=
 github.com/filecoin-project/go-sectorbuilder v0.0.2-0.20200226210935-4739f8749f56 h1:CqldkHf9HtAsewneyOZdi19Btc6kEvktVVeZsP9N7NQ=
 github.com/filecoin-project/go-sectorbuilder v0.0.2-0.20200226210935-4739f8749f56/go.mod h1:tzTc9BxxSbjlIzhFwm5h9oBkXKkRuLxeiWspntwnKyw=
-github.com/filecoin-project/go-sectorbuilder v0.0.2-0.20200227214127-332d57b390aa h1:EVToQ5L+49psMvYP5ICsOcFRua79oDMyYQAeEqxkzwU=
-github.com/filecoin-project/go-sectorbuilder v0.0.2-0.20200227214127-332d57b390aa/go.mod h1:u8n91UJUua9zEiyAPw8wRAgUEoyTH8BBM9LWJ5WuxOM=
-github.com/filecoin-project/go-sectorbuilder v0.0.2-0.20200227214225-a550d0267977 h1:Q4VnMiorS/AcZMDHtoi+7lVzkTj+qDa0bmgMkwmvxIM=
-github.com/filecoin-project/go-sectorbuilder v0.0.2-0.20200227214225-a550d0267977/go.mod h1:tzTc9BxxSbjlIzhFwm5h9oBkXKkRuLxeiWspntwnKyw=
-github.com/filecoin-project/go-sectorbuilder v0.0.2-0.20200228064721-be233370d8e9 h1:P4IMEn3GDtAJzIVL/DqwHH8jotvafn6FLuxFhUNKhEI=
-github.com/filecoin-project/go-sectorbuilder v0.0.2-0.20200228064721-be233370d8e9/go.mod h1:gEQJVRVqQX8Vx02IosTdC2UA4l2MgHfG3POJEI2GIpc=
 github.com/filecoin-project/go-sectorbuilder v0.0.2-0.20200229022239-442fe78a3168 h1:6fBZezecouqHNRi4Q4YlH7QqgJ3yZZ7adMBpUBAx4F8=
 github.com/filecoin-project/go-sectorbuilder v0.0.2-0.20200229022239-442fe78a3168/go.mod h1:gEQJVRVqQX8Vx02IosTdC2UA4l2MgHfG3POJEI2GIpc=
 github.com/filecoin-project/go-statemachine v0.0.0-20200226041606-2074af6d51d9 h1:k9qVR9ItcziSB2rxtlkN/MDWNlbsI6yzec+zjUatLW0=
@@ -134,7 +128,6 @@ github.com/filecoin-project/go-statestore v0.1.0 h1:t56reH59843TwXHkMcwyuayStBIi
 github.com/filecoin-project/go-statestore v0.1.0/go.mod h1:LFc9hD+fRxPqiHiaqUEZOinUJB4WARkRfNl10O7kTnI=
 github.com/filecoin-project/specs-actors v0.0.0-20200210130641-2d1fbd8672cf/go.mod h1:xtDZUB6pe4Pksa/bAJbJ693OilaC5Wbot9jMhLm3cZA=
 github.com/filecoin-project/specs-actors v0.0.0-20200226200336-94c9b92b2775/go.mod h1:0HAWYrvajFHDgRaKbF0rl+IybVLZL5z4gQ8koCMPhoU=
-github.com/filecoin-project/specs-actors v0.0.0-20200228215954-2c5be7cfad99/go.mod h1:0HAWYrvajFHDgRaKbF0rl+IybVLZL5z4gQ8koCMPhoU=
 github.com/filecoin-project/specs-actors v0.0.0-20200229011003-1d726e3afd04 h1:O343OeQLkLWLj5ZqQ5nhevAGBTeB5LioiA53ddScqdY=
 github.com/filecoin-project/specs-actors v0.0.0-20200229011003-1d726e3afd04/go.mod h1:0HAWYrvajFHDgRaKbF0rl+IybVLZL5z4gQ8koCMPhoU=
 github.com/fsnotify/fsnotify v1.4.7 h1:IXs+QLmnXW2CcXuY+8Mzv/fWEsPGWxqefPtCP5CnV9I=