diff --git a/brewman/brewman/models/master.py b/brewman/brewman/models/master.py
index 254b723a..5cef21ce 100644
--- a/brewman/brewman/models/master.py
+++ b/brewman/brewman/models/master.py
@@ -199,7 +199,7 @@ class LedgerBase(Base):
         return DBSession.query(cls).all()
 
     @classmethod
-    def list(cls, type, name, reconcilable, active):
+    def list(cls, type, name, reconcilable=None, active=None):
         query = DBSession.query(cls)
         if type is not None:
             if not isinstance(type, int):