1 files changed, 6 insertions, 4 deletions
diff --git a/src/policy/policy.cpp b/src/policy/policy.cpp
index 57df1f0b19..48080abc77 100644
--- a/src/policy/policy.cpp
+++ b/src/policy/policy.cpp
@@ -154,12 +154,14 @@ bool AreInputsStandard(const CTransaction& tx, const CCoinsViewCache& mapInputs)
     return true;
 }
 
-int64_t GetVirtualTransactionSize(int64_t nWeight)
+unsigned int nBytesPerSigOp = DEFAULT_BYTES_PER_SIGOP;
+
+int64_t GetVirtualTransactionSize(int64_t nWeight, int64_t nSigOpCost)
 {
-    return (nWeight + WITNESS_SCALE_FACTOR - 1) / WITNESS_SCALE_FACTOR;
+    return (std::max(nWeight, nSigOpCost * nBytesPerSigOp) + WITNESS_SCALE_FACTOR - 1) / WITNESS_SCALE_FACTOR;
 }
 
-int64_t GetVirtualTransactionSize(const CTransaction& tx)
+int64_t GetVirtualTransactionSize(const CTransaction& tx, int64_t nSigOpCost)
 {
-    return GetVirtualTransactionSize(GetTransactionWeight(tx));
+    return GetVirtualTransactionSize(GetTransactionWeight(tx), nSigOpCost);
 }