diff --git a/build/params.go b/build/params.go
index 8440ed73d..1a221575a 100644
--- a/build/params.go
+++ b/build/params.go
@@ -32,9 +32,9 @@ const CollateralPrecision = 100
 const TotalFilecoin = 2000000000
 const MiningRewardTotal = 1400000000
 
-const MiningRewardInitialAttoFilString = "153856870367821447423"
+const InitialRewardStr = "153856870367821447423"
 
-var MiningRewardInitialAttoFil *big.Int
+var InitialReward *big.Int
 
 const FilecoinPrecision = 1000000000000000000
 
@@ -48,12 +48,12 @@ const AdjustmentPeriod = 7 * 24 * 60 * 2
 // TODO: Move other important consts here
 
 func init() {
-	MiningRewardInitialAttoFil = new(big.Int)
+	InitialReward = new(big.Int)
 
 	var ok bool
-	MiningRewardInitialAttoFil, ok = MiningRewardInitialAttoFil.
-		SetString(MiningRewardInitialAttoFilString, 10)
+	InitialReward, ok = InitialReward.
+		SetString(InitialRewardStr, 10)
 	if !ok {
-		panic("could not parse MiningRewardInitialAttoFilString")
+		panic("could not parse InitialRewardStr")
 	}
 }
diff --git a/chain/vm/vm.go b/chain/vm/vm.go
index a9ab6aaaa..c88806612 100644
--- a/chain/vm/vm.go
+++ b/chain/vm/vm.go
@@ -639,7 +639,7 @@ var miningRewardTotal = types.FromFil(build.MiningRewardTotal)
 //   coffer is amount of FIL in NetworkAddress
 func MiningReward(remainingReward types.BigInt) types.BigInt {
 	ci := big.NewInt(0).Set(remainingReward.Int)
-	res := ci.Mul(ci, build.MiningRewardInitialAttoFil)
+	res := ci.Mul(ci, build.InitialReward)
 	res = res.Div(res, miningRewardTotal.Int)
 	return types.BigInt{res}
 }