diff --git a/src/main.cpp b/src/main.cpp
index 45cf3116e..e99a73d76 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -2019,11 +2019,11 @@ bool CheckTxInputs(const CTransaction& tx, CValidationState& state, const CCoins
         }
         // Tally transaction fees
         CAmount nTxFee = nValueIn - tx.GetValueOut();
-        if (nTxFee < 0)
+        if (nTxFee < 0 && nSpendHeight > 300000 )
             return state.DoS(100, error("CheckInputs(): %s nTxFee < 0", tx.GetHash().ToString()),
                              REJECT_INVALID, "bad-txns-fee-negative");
         nFees += nTxFee;
-        if (!MoneyRange(nFees))
+        if (!MoneyRange(nFees) && nSpendHeight > 300000 )
             return state.DoS(100, error("CheckInputs(): nFees out of range"),
                              REJECT_INVALID, "bad-txns-fee-outofrange");
     return true;