1 files changed, 9 insertions, 1 deletions

diff --git a/src/mailman_pgp/model/list.py b/src/mailman_pgp/model/list.py
index f781a9a..d6384af 100644
--- a/src/mailman_pgp/model/list.py
+++ b/src/mailman_pgp/model/list.py
@@ -13,7 +13,7 @@ class EncryptedMailingList(Base):
     __tablename__ = 'encrypted_lists'
 
     id = Column(Integer, primary_key=True)
-    list_id = Column(SAUnicode)
+    list_id = Column(SAUnicode, index=True)
     key_fingerprint = Column(SAUnicode)
     unsigned_msg_action = Column(Enum(Action))
     nonencrypted_msg_action = Column(Enum(Action))
@@ -21,4 +21,12 @@ class EncryptedMailingList(Base):
     sign_outgoing = Column(Boolean)
 
     def __init__(self, mlist):
+        super().__init__()
         self.list_id = mlist.list_id
+        self._list_key = None
+
+    @property
+    def list_key(self):
+        if self._list_key is not None:
+            return self._list_key
+        pass