diff --git a/eulfedora/models.py b/eulfedora/models.py
index <HASH>..<HASH> 100644
--- a/eulfedora/models.py
+++ b/eulfedora/models.py
@@ -63,7 +63,7 @@ class DatastreamObject(object):
     is set, it takes precedence over :attr:`content`.'''

 

     def __init__(self, obj, id, label, mimetype=None, versionable=False,

-            state='A', format=None, control_group='M', checksum=None, checksum_type="SHA-1"):

+            state='A', format=None, control_group='M', checksum=None, checksum_type="MD5"):

                         

         self.obj = obj

         self.id = id
restore former default checksum type of MD5