1 files changed, 3 insertions, 0 deletions
diff --git a/src/main.cpp b/src/main.cpp
index b4e827098e..499f4e336a 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -268,6 +268,9 @@ bool CTransaction::ReadFromDisk(COutPoint prevout)
 
 bool CTransaction::IsStandard() const
 {
+    if (nVersion > CTransaction::CURRENT_VERSION)
+        return false;
+
     BOOST_FOREACH(const CTxIn& txin, vin)
     {
         // Biggest 'standard' txin is a 3-signature 3-of-3 CHECKMULTISIG