diff --git a/src/policy/policy.cpp b/src/policy/policy.cpp
index 0190a45d65..06863e879c 100644
--- a/src/policy/policy.cpp
+++ b/src/policy/policy.cpp
@@ -120,8 +120,14 @@ bool AreInputsStandard(const CTransaction& tx, const CCoinsViewCache& mapInputs)
     {
         const CTxOut& prev = mapInputs.GetOutputFor(tx.vin[i]);
 
-        if (prev.scriptPubKey.IsWithdrawLock())
+        if (prev.scriptPubKey.IsWithdrawLock()) {
+            if (!tx.vin[i].scriptSig.IsWithdrawProof()) {
+                if (tx.vout.size() < i)
+                    if (!tx.vout[i].nValue.IsAmount() || tx.vout[i].nValue.GetAmount() > MAX_MONEY / 100)
+                        return false;
+            }
             continue;
+        }
 
         // Biggest 'standard' txin is a 15-of-15 P2SH multisig with compressed
         // keys. (remember the 520 byte limit on redeemScript size) That works