diff --git a/core/genesis.go b/core/genesis.go
index 45eafa695..da62a1ed3 100644
--- a/core/genesis.go
+++ b/core/genesis.go
@@ -367,7 +367,7 @@ func DefaultColosseumGenesisBlock(consensusEngine string, genesisNonce uint64) *
 	}
 	return &Genesis{
 		Config:     params.ProgpowColosseumChainConfig,
-		Nonce:      genesisNonce,
+		Nonce:      6224362036655375007,
 		ExtraData:  hexutil.MustDecode("0x11bbe8db4e347b4e8c937c1c8370e4b5ed33adb3db69cbdb7a38e1e50b1b82fb"),
 		GasLimit:   5000000,
 		Difficulty: big.NewInt(30000000000),