diff --git a/swh/loader/svn/loader.py b/swh/loader/svn/loader.py
index 33a733330faa99a23152c13efa4452152e67d480..a069575453b6c43be8476232a721dbcabf032bfb 100644
--- a/swh/loader/svn/loader.py
+++ b/swh/loader/svn/loader.py
@@ -405,8 +405,7 @@ class SWHSvnLoader(SWHLoader):
             snap = build_swh_snapshot(revision['id'])
             snap['id'] = identifier_to_bytes(snapshot_identifier(snap))
         else:
-            raise ValueError('Development error, revision or snapshot should '
-                             'be provided')
+            return None
         self.log.debug('snapshot: %s' % snap)
         self.maybe_load_snapshot(snap)