diff --git a/chain/gen/genesis/miners.go b/chain/gen/genesis/miners.go
index df55df86c..94bb41304 100644
--- a/chain/gen/genesis/miners.go
+++ b/chain/gen/genesis/miners.go
@@ -19,6 +19,7 @@ import (
 	"github.com/filecoin-project/specs-actors/actors/builtin/market"
 	"github.com/filecoin-project/specs-actors/actors/builtin/miner"
 	"github.com/filecoin-project/specs-actors/actors/builtin/power"
+	"github.com/filecoin-project/specs-actors/actors/builtin/reward"
 	"github.com/filecoin-project/specs-actors/actors/crypto"
 	"github.com/filecoin-project/specs-actors/actors/runtime"
 
@@ -235,7 +236,7 @@ func SetupStorageMiners(ctx context.Context, cs *store.ChainStore, sroot cid.Cid
 					return cid.Undef, xerrors.Errorf("getting current total power: %w", err)
 				}
 
-				pledge := miner.InitialPledgeForPower(sectorWeight, tpow.QualityAdjPower, tpow.PledgeCollateral, epochReward, circSupply(ctx, vm, minerInfos[i].maddr))
+				pledge := miner.InitialPledgeForPower(sectorWeight, tpow.QualityAdjPower, tpow.PledgeCollateral, epochReward.ThisEpochBaselinePower, epochReward.ThisEpochReward, circSupply(ctx, vm, minerInfos[i].maddr))
 
 				_, err = doExecValue(ctx, vm, minerInfos[i].maddr, m.Worker, pledge, builtin.MethodsMiner.PreCommitSector, mustEnc(params))
 				if err != nil {
@@ -327,18 +328,18 @@ func dealWeight(ctx context.Context, vm *vm.VM, maddr address.Address, dealIDs [
 	return dealWeights, nil
 }
 
-func currentEpochBlockReward(ctx context.Context, vm *vm.VM, maddr address.Address) (abi.TokenAmount, error) {
+func currentEpochBlockReward(ctx context.Context, vm *vm.VM, maddr address.Address) (*reward.ThisEpochRewardReturn, error) {
 	rwret, err := doExecValue(ctx, vm, builtin.RewardActorAddr, maddr, big.Zero(), builtin.MethodsReward.ThisEpochReward, nil)
 	if err != nil {
-		return abi.TokenAmount{}, err
+		return nil, err
 	}
 
-	epochReward := abi.NewTokenAmount(0)
+	var epochReward reward.ThisEpochRewardReturn
 	if err := epochReward.UnmarshalCBOR(bytes.NewReader(rwret)); err != nil {
-		return abi.TokenAmount{}, err
+		return nil, err
 	}
 
-	return epochReward, nil
+	return &epochReward, nil
 }
 
 func circSupply(ctx context.Context, vmi *vm.VM, maddr address.Address) abi.TokenAmount {
diff --git a/go.mod b/go.mod
index df1adcf59..1e7caf6ab 100644
--- a/go.mod
+++ b/go.mod
@@ -30,7 +30,7 @@ require (
 	github.com/filecoin-project/go-statestore v0.1.0
 	github.com/filecoin-project/go-storedcounter v0.0.0-20200421200003-1c99c62e8a5b
 	github.com/filecoin-project/sector-storage v0.0.0-20200716210653-a846ac9b39ff
-	github.com/filecoin-project/specs-actors v0.7.3-0.20200716231407-60a2ae96d2e6
+	github.com/filecoin-project/specs-actors v0.7.3-0.20200717200758-365408676dbb
 	github.com/filecoin-project/specs-storage v0.1.1-0.20200622113353-88a9704877ea
 	github.com/filecoin-project/storage-fsm v0.0.0-20200717125541-d575c3a5f7f2
 	github.com/gbrlsnchs/jwt/v3 v3.0.0-beta.1
diff --git a/go.sum b/go.sum
index b2b816b98..567e24ac5 100644
--- a/go.sum
+++ b/go.sum
@@ -269,6 +269,8 @@ github.com/filecoin-project/specs-actors v0.6.1/go.mod h1:dRdy3cURykh2R8O/DKqy8o
 github.com/filecoin-project/specs-actors v0.7.0/go.mod h1:+z0htZu/wLBDbOLcQTKKUEC2rkUTFzL2KJ/bRAVWkws=
 github.com/filecoin-project/specs-actors v0.7.3-0.20200716231407-60a2ae96d2e6 h1:F+GcBdKPdW/wTv6bMJxG9Zj1dc0UGkO6uNOQmKP/g1o=
 github.com/filecoin-project/specs-actors v0.7.3-0.20200716231407-60a2ae96d2e6/go.mod h1:JOMUa7EijvpOO4ofD1yeHNmqohkmmnhTvz/IpB6so4c=
+github.com/filecoin-project/specs-actors v0.7.3-0.20200717200758-365408676dbb h1:wXbLPkV83vdbNihBa855QRM2zt+HCCGwIWYJxU9YEK8=
+github.com/filecoin-project/specs-actors v0.7.3-0.20200717200758-365408676dbb/go.mod h1:JOMUa7EijvpOO4ofD1yeHNmqohkmmnhTvz/IpB6so4c=
 github.com/filecoin-project/specs-storage v0.1.0 h1:PkDgTOT5W5Ao7752onjDl4QSv+sgOVdJbvFjOnD5w94=
 github.com/filecoin-project/specs-storage v0.1.0/go.mod h1:Pr5ntAaxsh+sLG/LYiL4tKzvA83Vk5vLODYhfNwOg7k=
 github.com/filecoin-project/specs-storage v0.1.1-0.20200622113353-88a9704877ea h1:iixjULRQFPn7Q9KlIqfwLJnlAXO10bbkI+xy5GKGdLY=
diff --git a/node/impl/full/state.go b/node/impl/full/state.go
index 2dbdbf220..4163ab2ef 100644
--- a/node/impl/full/state.go
+++ b/node/impl/full/state.go
@@ -956,7 +956,7 @@ func (a *StateAPI) StateMinerInitialPledgeCollateral(ctx context.Context, maddr
 	}
 
 	sectorWeight := miner.QAPowerForWeight(ssize, duration, dealWeights.DealWeight, dealWeights.VerifiedDealWeight)
-	initialPledge := miner.InitialPledgeForPower(sectorWeight, powerState.TotalQualityAdjPower, powerState.TotalPledgeCollateral, rewardState.ThisEpochReward, circSupply)
+	initialPledge := miner.InitialPledgeForPower(sectorWeight, powerState.TotalQualityAdjPower, powerState.TotalPledgeCollateral, reward.BaselinePowerAt(ts.Height()), rewardState.ThisEpochReward, circSupply)
 
 	return types.BigDiv(types.BigMul(initialPledge, initialPledgeNum), initialPledgeDen), nil
 }