diff --git a/fieldnotes/cli.py b/fieldnotes/cli.py
index 9427a92..94a2666 100644
--- a/fieldnotes/cli.py
+++ b/fieldnotes/cli.py
@@ -35,6 +35,7 @@
     notes_referencing,
     parse_note_file,
     read_note,
+    serialize_note,
     to_repo_relative,
     write_note,
 )
@@ -625,7 +626,7 @@ def verify(
                 rebase=do_rebase,
                 rebase_results=note_results if do_rebase else None,
             )
-            write_note(repo_root, new_note, parse_note_file(s.path)[1])
+            s.path.write_text(serialize_note(new_note, parse_note_file(s.path)[1]))
             rebase_results.extend(note_results)
             changed = _changed_refs(s, note_results)
             if changed:
diff --git a/tests/test_cli_v09_update.py b/tests/test_cli_v09_update.py
index 70c4ef2..15dfe2a 100644
--- a/tests/test_cli_v09_update.py
+++ b/tests/test_cli_v09_update.py
@@ -91,3 +91,21 @@ def test_clean_repo_prints_no_review_block(self, repo: Path):
         result = runner.invoke(app, ["verify", "--update", "--repo", str(repo)])
         assert result.exit_code == 0, result.output
         assert "re-read" not in result.output
+
+
+class TestUpdateWritesOriginalNotePath:
+    def test_update_keeps_mismatched_note_filename(self, repo: Path):
+        (repo / "f.py").write_text("x = 1\n")
+        _add(repo, "f.py")
+        original = next((repo / ".fieldnotes" / "notes").glob("0001-*.md"))
+        renamed = original.with_name("0001-t-renamed.md")
+        original.rename(renamed)
+        (repo / "f.py").write_text("x = 2\n")
+
+        result = runner.invoke(app, ["verify", "--update", "--repo", str(repo)])
+
+        assert result.exit_code == 0, result.output
+        note_files = sorted((repo / ".fieldnotes" / "notes").glob("0001-*.md"))
+        assert note_files == [renamed]
+        check = runner.invoke(app, ["verify", "--check", "--repo", str(repo)])
+        assert check.exit_code == 0, check.output