diff --git a/cmd/puppeth/wizard_genesis.go b/cmd/puppeth/wizard_genesis.go
index ca789d2c17..91f4e8eb11 100644
--- a/cmd/puppeth/wizard_genesis.go
+++ b/cmd/puppeth/wizard_genesis.go
@@ -161,7 +161,7 @@ func (w *wizard) makeGenesis() {
 		fmt.Println()
 		fmt.Println("How many blocks per epoch? (default = 900)")
 		epochNumber := uint64(w.readDefaultInt(900))
-		genesis.Config.Posv.Epoch = genesis.Config.Posv.RewardCheckpoint
+		genesis.Config.Posv.Epoch = epochNumber
 		genesis.Config.Posv.RewardCheckpoint = epochNumber
 
 		fmt.Println()