diff --git a/zipline/assets/assets.py b/zipline/assets/assets.py
index 044ca2e7..04059d35 100644
--- a/zipline/assets/assets.py
+++ b/zipline/assets/assets.py
@@ -204,7 +204,7 @@ class AssetFinder(object):
             raise SidNotFound(sid=sid)
 
     def retrieve_all(self, sids, default_none=False):
-        return [self.retrieve_asset(sid) for sid in sids]
+        return [self.retrieve_asset(sid, default_none) for sid in sids]
 
     def _retrieve_equity(self, sid):
         """