diff --git a/src/baudolo/backup/volume.py b/src/baudolo/backup/volume.py
index 1d4fddd..e9d4285 100644
--- a/src/baudolo/backup/volume.py
+++ b/src/baudolo/backup/volume.py
@@ -50,7 +50,7 @@ def backup_volume(
     verify = "--checksum " if authoritative else ""
 
     cmd = (
-        f"rsync -abP --no-D --delete --delete-excluded "
+        f"rsync -aP --no-D --delete --delete-excluded "
         f"{verify}{link_dest} {source} {dest}"
     )
 
diff --git a/tests/unit/backup/test_volume.py b/tests/unit/backup/test_volume.py
index 88c1022..80bb7cd 100644
--- a/tests/unit/backup/test_volume.py
+++ b/tests/unit/backup/test_volume.py
@@ -46,6 +46,11 @@ class TestBackupVolume(unittest.TestCase):
     def test_it_carries_no_kernel_objects_into_a_generation(self) -> None:
         self.assertIn("--no-D", self.copy())
 
+    def test_it_keeps_no_twin_of_what_the_second_pass_replaces(self) -> None:
+        command = self.copy(authoritative=True)
+        self.assertIn("rsync -aP ", command)
+        self.assertNotIn("--backup", command)
+
     def test_it_creates_the_destination(self) -> None:
         with tempfile.TemporaryDirectory() as tmp:
             dest = Path(tmp) / "gen" / "demo"