diff --git a/swh/loader/svn/loader.py b/swh/loader/svn/loader.py
--- a/swh/loader/svn/loader.py
+++ b/swh/loader/svn/loader.py
@@ -186,10 +186,10 @@
             return None
         swh_id = branch.target
 
-        revs = list(storage.revision_get([swh_id]))
-        if not revs or revs[0] is None:
+        revision = storage.revision_get([swh_id])[0]
+        if not revision:
             return None
-        return latest_snapshot, Revision.from_dict(revs[0])
+        return latest_snapshot, revision
 
     def build_swh_revision(self, rev, commit, dir_id, parents):
         """Build the swh revision dictionary.
diff --git a/swh/loader/svn/tests/test_loader.py b/swh/loader/svn/tests/test_loader.py
--- a/swh/loader/svn/tests/test_loader.py
+++ b/swh/loader/svn/tests/test_loader.py
@@ -112,12 +112,9 @@
     assert stats["snapshot"] == 1
 
     # even starting from previous revision...
-    revs = list(
-        loader.storage.revision_get(
-            [hash_to_bytes("95edacc8848369d6fb1608e887d6d2474fd5224f")]
-        )
-    )
-    start_revision = revs[0]
+    start_revision = loader.storage.revision_get(
+        [hash_to_bytes("95edacc8848369d6fb1608e887d6d2474fd5224f")]
+    )[0]
     assert start_revision is not None
 
     loader = SvnLoader(repo_url, swh_revision=start_revision)
@@ -284,12 +281,9 @@
         snapshot=GOURMET_SNAPSHOT.id,
     )
 
-    revs = list(
-        loader.storage.revision_get(
-            [hash_to_bytes("95edacc8848369d6fb1608e887d6d2474fd5224f")]
-        )
-    )
-    start_revision = revs[0]
+    start_revision = loader.storage.revision_get(
+        [hash_to_bytes("95edacc8848369d6fb1608e887d6d2474fd5224f")]
+    )[0]
     assert start_revision is not None
 
     archive_path = os.path.join(datadir, "pkg-gourmet-with-updates.tgz")