diff --git a/internal/configs/sharding/mainnet.go b/internal/configs/sharding/mainnet.go
index 711f1203d..3eedb7a09 100644
--- a/internal/configs/sharding/mainnet.go
+++ b/internal/configs/sharding/mainnet.go
@@ -16,7 +16,7 @@ const (
 	mainnetConsensusRatio = float64(0.66)
 
 	// TODO: remove it after randomness feature turned on mainnet
-	mainnetRandomnessStartingEpoch = 10
+	mainnetRandomnessStartingEpoch = 100000
 )
 
 // MainnetSchedule is the mainnet sharding configuration schedule.