diff --git a/src/sakia/core/wallet.py b/src/sakia/core/wallet.py
index 1a3279f7e2ed57090fe843a93b1c132810b5878d..af93f688d7f09b7808e80e1921c6efe6a59037ac 100644
--- a/src/sakia/core/wallet.py
+++ b/src/sakia/core/wallet.py
@@ -304,7 +304,7 @@ class Wallet(QObject):
         unlocks = self.tx_unlocks(sources)
         outputs = self.tx_outputs(pubkey, computed_outputs, overheads)
         logging.debug("Outputs : {0}".format(outputs))
-        tx = Transaction(PROTOCOL_VERSION, community.currency, blockstamp, 0,
+        tx = Transaction(3, community.currency, blockstamp, 0,
                          [self.pubkey], inputs, unlocks,
                          outputs, message, None)
         return tx