diff --git a/transaction.py b/transaction.py
index 851bc79f..32096ce7 100644
--- a/transaction.py
+++ b/transaction.py
@@ -174,7 +174,10 @@ class TransactionLink(object):
 
     @classmethod
     def from_dict(cls, link):
-        return cls(link['tx_id'], link['cid'])
+        try:
+            return cls(link['tx_id'], link['cid'])
+        except TypeError:
+            return cls()
 
     def to_dict(self):
         if self.tx_id is None and self.cid is None: