diff --git a/goodchain/src/classes/TxBlock.py b/goodchain/src/classes/TxBlock.py
index fe82526..130e741 100644
--- a/goodchain/src/classes/TxBlock.py
+++ b/goodchain/src/classes/TxBlock.py
@@ -13,6 +13,8 @@ class TxBlock (CBlock):
 
     def __init__(self, previousBlock):
         self.nonce = "A random nonce"
+        self.time = None
+        self.date = None
         super(TxBlock, self).__init__([], previousBlock)
 
     def addTx(self, Tx_in):