diff --git a/store.py b/store.py
index 4ae8cb8..824c706 100644
--- a/store.py
+++ b/store.py
@@ -561,7 +561,8 @@ class PostqueueStore(object):
 
                     mail = self.MailClass(fields[0], size=fields[1],
                                           date=date,
-                                          sender=fields[-1])
+                                          sender=fields[-1],
+                                          recipients=[])
                     self.mails.append(mail)
                 else:
                     # Email address validity check can be tricky. RFC3696 talks