diff --git a/src/pow.cpp b/src/pow.cpp
index 5e9560850..cd7f47c71 100644
--- a/src/pow.cpp
+++ b/src/pow.cpp
@@ -190,7 +190,7 @@ bool CheckProofOfWork(int32_t height,uint8_t *pubkey33,uint256 hash,unsigned int
     }
     if (fNegative || bnTarget == 0 || fOverflow || bnTarget > UintToArith256(params.powLimit))
         return error("CheckProofOfWork(): nBits below minimum work");
-    if ( height >= 4000 && ASSETCHAINS_STAKED != 0 )
+    if ( height >= 4200 && ASSETCHAINS_STAKED != 0 )
         bnTarget.SetCompact(KOMODO_MINDIFF_NBITS,&fNegative,&fOverflow);
     // Check proof of work matches claimed amount
     if ( UintToArith256(hash) > bnTarget )