diff --git a/shelfzilla/settings/base.py b/shelfzilla/settings/base.py
index a70e63a..95aa0d5 100644
--- a/shelfzilla/settings/base.py
+++ b/shelfzilla/settings/base.py
@@ -220,3 +220,7 @@ FILER_STORAGES = {
         },
     },
 }
+
+SOUTH_MIGRATION_MODULES = {
+    'easy_thumbnails': 'easy_thumbnails.south_migrations',
+}