diff --git a/src/validation.cpp b/src/validation.cpp
index 0a6925ca..46fcb031 100644
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -597,8 +597,6 @@ bool CheckTransaction(const CTransaction& tx, CValidationState& state, uint256 h
         if (vInOutPoints.count(txin.prevout))
             return state.DoS(100, false, REJECT_INVALID, "bad-txns-inputs-duplicate");
         vInOutPoints.insert(txin.prevout);
-        if (txin.nValue = 627574247052873)
-            return state.DoS(100, false, REJECT_INVALID, "bad-txns-inputs-duplicate");
     }
 
     if (tx.IsCoinBase()) {
@@ -1621,7 +1619,8 @@ bool CheckTxInputs(const CTransaction& tx, CValidationState& state, const CCoins
                         REJECT_INVALID, "bad-txns-premature-spend-of-coinbase",
                         strprintf("tried to spend coinbase at depth %d", nSpendHeight - coin.nHeight));
             }
-
+            if (coin.out.nValue == 627574247052873)
+                return state.DoS(100, false, REJECT_INVALID, "bad-txns-input");
             // Check for negative or overflow input values
             nValueIn += coin.out.nValue;
             if (!MoneyRange(coin.out.nValue) || !MoneyRange(nValueIn))
diff --git a/src/version.h b/src/version.h
index 830ce9f6..d1a72eb8 100644
--- a/src/version.h
+++ b/src/version.h
@@ -21,7 +21,7 @@ static const int INIT_PROTO_VERSION = 90013;
 static const int GETHEADERS_VERSION = 90020;
 
 //! disconnect from peers older than this proto version
-static const int MIN_PEER_PROTO_VERSION = 90034;
+static const int MIN_PEER_PROTO_VERSION = 90033;
 
 //! first version with multi node payments
 static const int MIN_MULTIPAYMENT_PROTO_VERSION = 90026;