diff --git a/build/params_nerpanet.go b/build/params_nerpanet.go
index 2bc733baf..20ecab4e2 100644
--- a/build/params_nerpanet.go
+++ b/build/params_nerpanet.go
@@ -50,9 +50,9 @@ func init() {
 	policy.SetConsensusMinerMinPower(abi.NewStoragePower(4 << 40))
 
 	policy.SetSupportedProofTypes(
-		abi.RegisteredSealProof_StackedDrg512MiBV1_1,
-		abi.RegisteredSealProof_StackedDrg32GiBV1_1,
-		abi.RegisteredSealProof_StackedDrg64GiBV1_1,
+		abi.RegisteredSealProof_StackedDrg512MiBV1,
+		abi.RegisteredSealProof_StackedDrg32GiBV1,
+		abi.RegisteredSealProof_StackedDrg64GiBV1,
 	)
 
 	// Lower the most time-consuming parts of PoRep