diff --git a/config.example.json b/config.example.json
index 1a264b8cc..221e0739d 100644
--- a/config.example.json
+++ b/config.example.json
@@ -90,7 +90,8 @@
 		"keepTxFees": false,
 		"interval": "10m",
 		"daemon": "http://127.0.0.1:8545",
-		"timeout": "10s"
+		"timeout": "10s",
+		"classic": true
 	},
 
 	"payouts": {
diff --git a/payouts/unlocker.go b/payouts/unlocker.go
index c073ef0b3..6094b197f 100644
--- a/payouts/unlocker.go
+++ b/payouts/unlocker.go
@@ -26,6 +26,7 @@ type UnlockerConfig struct {
 	Interval       string  `json:"interval"`
 	Daemon         string  `json:"daemon"`
 	Timeout        string  `json:"timeout"`
+	Classic        bool    `json:"classic"`
 }
 
 const minDepth = 16
@@ -33,6 +34,7 @@ const byzantiumHardForkHeight = 4370000
 
 var homesteadReward = math.MustParseBig256("5000000000000000000")
 var byzantiumReward = math.MustParseBig256("3000000000000000000")
+var classicReward = math.MustParseBig256("4000000000000000000")
 
 // Donate 10% from pool fees to developers
 const donationFee = 10.0
@@ -159,7 +161,7 @@ func (u *BlockUnlocker) unlockCandidates(candidates []*storage.BlockData) (*Unlo
 					orphan = false
 					result.uncles++
 
-					err := handleUncle(height, uncle, candidate)
+					err := handleUncle(height, uncle, candidate, u.config.Classic)
 					if err != nil {
 						u.halt = true
 						u.lastFail = err
@@ -209,7 +211,7 @@ func (u *BlockUnlocker) handleBlock(block *rpc.GetBlockReply, candidate *storage
 		return err
 	}
 	candidate.Height = correctHeight
-	reward := getConstReward(candidate.Height)
+	reward := getConstReward(candidate.Height, u.config.Classic)
 
 	// Add TX fees
 	extraTxReward, err := u.getExtraRewardForTx(block)
@@ -223,7 +225,7 @@ func (u *BlockUnlocker) handleBlock(block *rpc.GetBlockReply, candidate *storage
 	}
 
 	// Add reward for including uncles
-	uncleReward := getRewardForUncle(candidate.Height)
+	uncleReward := getRewardForUncle(candidate.Height, u.config.Classic)
 	rewardForUncles := big.NewInt(0).Mul(uncleReward, big.NewInt(int64(len(block.Uncles))))
 	reward.Add(reward, rewardForUncles)
 
@@ -233,12 +235,12 @@ func (u *BlockUnlocker) handleBlock(block *rpc.GetBlockReply, candidate *storage
 	return nil
 }
 
-func handleUncle(height int64, uncle *rpc.GetBlockReply, candidate *storage.BlockData) error {
+func handleUncle(height int64, uncle *rpc.GetBlockReply, candidate *storage.BlockData, isClassic bool) error {
 	uncleHeight, err := strconv.ParseInt(strings.Replace(uncle.Number, "0x", "", -1), 16, 64)
 	if err != nil {
 		return err
 	}
-	reward := getUncleReward(uncleHeight, height)
+	reward := getUncleReward(uncleHeight, height, isClassic)
 	candidate.Height = height
 	candidate.UncleHeight = uncleHeight
 	candidate.Orphan = false
@@ -501,24 +503,35 @@ func weiToShannonInt64(wei *big.Rat) int64 {
 	return value
 }
 
-func getConstReward(height int64) *big.Int {
-	if height >= byzantiumHardForkHeight {
-		return new(big.Int).Set(byzantiumReward)
+func getConstReward(height int64, isClassic bool) *big.Int {
+	if !isClassic {
+		if height >= byzantiumHardForkHeight {
+			return new(big.Int).Set(byzantiumReward)
+		}
+		return new(big.Int).Set(homesteadReward)
+	} else {
+		return new(big.Int).Set(classicReward)
 	}
-	return new(big.Int).Set(homesteadReward)
 }
 
-func getRewardForUncle(height int64) *big.Int {
-	reward := getConstReward(height)
+func getRewardForUncle(height int64, isClassic bool) *big.Int {
+	reward := getConstReward(height, isClassic)
 	return new(big.Int).Div(reward, new(big.Int).SetInt64(32))
 }
 
-func getUncleReward(uHeight, height int64) *big.Int {
-	reward := getConstReward(height)
-	k := height - uHeight
-	reward.Mul(big.NewInt(8-k), reward)
-	reward.Div(reward, big.NewInt(8))
-	return reward
+func getUncleReward(uHeight, height int64, isClassic bool) *big.Int {
+	if !isClassic {
+		reward := getConstReward(height, isClassic)
+		k := height - uHeight
+		reward.Mul(big.NewInt(8-k), reward)
+		reward.Div(reward, big.NewInt(8))
+		return reward
+	} else {
+		reward := getConstReward(height, isClassic)
+		reward.Mul(reward, big.NewInt(3125))
+		reward.Div(reward, big.NewInt(100000))
+		return reward
+	}
 }
 
 func (u *BlockUnlocker) getExtraRewardForTx(block *rpc.GetBlockReply) (*big.Int, error) {
diff --git a/payouts/unlocker_test.go b/payouts/unlocker_test.go
index 26bd980ef..f0af3de4d 100644
--- a/payouts/unlocker_test.go
+++ b/payouts/unlocker_test.go
@@ -65,7 +65,20 @@ func TestWeiToShannonInt64(t *testing.T) {
 		t.Error("Must charge original value")
 	}
 }
-
+func TestGetClassicUncleReward(t *testing.T) {
+	rewards := make(map[int64]string)
+	expectedRewards := map[int64]string{
+		1: "125000000000000000",
+	}
+	for i := int64(1); i < 2; i++ {
+		rewards[i] = getUncleReward(1, i+1, true).String()
+	}
+	for i, reward := range rewards {
+		if expectedRewards[i] != rewards[i] {
+			t.Errorf("Incorrect uncle reward for %v, expected %v vs %v", i, expectedRewards[i], reward)
+		}
+	}
+}
 func TestGetUncleReward(t *testing.T) {
 	rewards := make(map[int64]string)
 	expectedRewards := map[int64]string{
@@ -78,7 +91,7 @@ func TestGetUncleReward(t *testing.T) {
 		7: "625000000000000000",
 	}
 	for i := int64(1); i < 8; i++ {
-		rewards[i] = getUncleReward(1, i+1).String()
+		rewards[i] = getUncleReward(1, i+1, false).String()
 	}
 	for i, reward := range rewards {
 		if expectedRewards[i] != rewards[i] {
@@ -99,7 +112,7 @@ func TestGetByzantiumUncleReward(t *testing.T) {
 		7: "375000000000000000",
 	}
 	for i := int64(1); i < 8; i++ {
-		rewards[i] = getUncleReward(byzantiumHardForkHeight, byzantiumHardForkHeight+i).String()
+		rewards[i] = getUncleReward(byzantiumHardForkHeight, byzantiumHardForkHeight+i, false).String()
 	}
 	for i, reward := range rewards {
 		if expectedRewards[i] != rewards[i] {
@@ -109,7 +122,7 @@ func TestGetByzantiumUncleReward(t *testing.T) {
 }
 
 func TestGetRewardForUngle(t *testing.T) {
-	reward := getRewardForUncle(1).String()
+	reward := getRewardForUncle(1, false).String()
 	expectedReward := "156250000000000000"
 	if expectedReward != reward {
 		t.Errorf("Incorrect uncle bonus for height %v, expected %v vs %v", 1, expectedReward, reward)
@@ -117,7 +130,7 @@ func TestGetRewardForUngle(t *testing.T) {
 }
 
 func TestGetByzantiumRewardForUngle(t *testing.T) {
-	reward := getRewardForUncle(byzantiumHardForkHeight).String()
+	reward := getRewardForUncle(byzantiumHardForkHeight, false).String()
 	expectedReward := "93750000000000000"
 	if expectedReward != reward {
 		t.Errorf("Incorrect uncle bonus for height %v, expected %v vs %v", byzantiumHardForkHeight, expectedReward, reward)