diff --git a/swh/loader/package/debian/loader.py b/swh/loader/package/debian/loader.py
--- a/swh/loader/package/debian/loader.py
+++ b/swh/loader/package/debian/loader.py
@@ -48,6 +48,7 @@
     size = attr.ib(type=int)
     uri = attr.ib(type=str)
     """URL of this specific file"""
+    sha512 = attr.ib(type=str, default="")
 
 
 @attr.s