diff --git a/rattail_corepos/importing/versions.py b/rattail_corepos/importing/versions.py
index 06c1d12..b060d9a 100644
--- a/rattail_corepos/importing/versions.py
+++ b/rattail_corepos/importing/versions.py
@@ -27,13 +27,12 @@ Rattail -> Rattail "versions" data import
 from rattail.importing import versions as base
 
 
-class FromRattailToRattailVersions(base.FromRattailToRattailVersions):
+class CoreposVersionMixin(object):
     """
-    Handler for Rattail -> Rattail "versions" data import
+    Add default registration of custom importers
     """
 
-    def get_importers(self):
-        importers = super(FromRattailToRattailVersions, self).get_importers()
+    def add_corepos_importers(self, importers):
         importers['CorePerson'] = CorePersonImporter
         importers['CoreCustomer'] = CoreCustomerImporter
         importers['CoreMember'] = CoreMemberImporter