diff --git a/src/chainparams.cpp b/src/chainparams.cpp
index 291187cdad004..d7c6d7b090047 100644
--- a/src/chainparams.cpp
+++ b/src/chainparams.cpp
@@ -420,9 +420,9 @@ class CDevNetParams : public CChainParams {
         consensus.nGovernanceMinQuorum = 1;
         consensus.nGovernanceFilterElements = 500;
         consensus.nMasternodeMinimumConfirmations = 1;
-        consensus.BIP34Height = 2; // BIP34 activated immediately on devnet
-        consensus.BIP65Height = 2; // BIP65 activated immediately on devnet
-        consensus.BIP66Height = 2; // BIP66 activated immediately on devnet
+        consensus.BIP34Height = 1; // BIP34 activated immediately on devnet
+        consensus.BIP65Height = 1; // BIP65 activated immediately on devnet
+        consensus.BIP66Height = 1; // BIP66 activated immediately on devnet
         consensus.DIP0001Height = 2; // DIP0001 activated immediately on devnet
         consensus.powLimit = uint256S("7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"); // ~uint256(0) >> 1
         consensus.nPowTargetTimespan = 24 * 60 * 60; // Dash: 1 day
diff --git a/src/validation.cpp b/src/validation.cpp
index b28f2f520a07b..d5d9f4d0fc728 100644
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -4212,8 +4212,10 @@ bool InitBlockIndex(const CChainParams& chainparams)
                 return false;
 
             if (chainparams.NetworkIDString() == CBaseChainParams::DEVNET) {
-                if (!AddGenesisBlock(chainparams, chainparams.DevNetGenesisBlock(), state))
-                    return false;
+                // We can't continue if devnet genesis block is invalid
+                std::shared_ptr<const CBlock> shared_pblock = std::make_shared<const CBlock>(chainparams.DevNetGenesisBlock());
+                bool fProcessDevnetGenesisBlock = ProcessNewBlock(chainparams, shared_pblock, true, NULL);
+                assert(fProcessDevnetGenesisBlock);
             }
 
             // Force a chainstate write so that when we VerifyDB in a moment, it doesn't check stale data