diff --git a/src/python/createrepo_c/__init__.py b/src/python/createrepo_c/__init__.py
index 4b61f2dd..db6e8633 100644
--- a/src/python/createrepo_c/__init__.py
+++ b/src/python/createrepo_c/__init__.py
@@ -714,10 +714,8 @@ def finish(self):
         if self._updaterecords:
             upd_xml_path = self.repodata_dir / ("updateinfo.xml" + self._compression_suffix)
             writer = UpdateInfoXmlFile(str(upd_xml_path), compressiontype=self._compression)
-            updateinfo = UpdateInfo()
             for rec in self._updaterecords:
-                updateinfo.append(rec)
-            writer.add_chunk(updateinfo.xml_dump())
+                writer.add_chunk(_createrepo_c.xml_dump_updaterecord(rec))
             self.working_metadata_files["updateinfo"] = MetadataInfoHolder(upd_xml_path, writer)
 
         # Create all the repomdrecords for the standard metadata
diff --git a/tests/python/tests/test_repository.py b/tests/python/tests/test_repository.py
index bc65b8eb..c0f5fe27 100644
--- a/tests/python/tests/test_repository.py
+++ b/tests/python/tests/test_repository.py
@@ -99,13 +99,18 @@ def test_defaults(self):
             record_path = os.path.join(self.tmpdir, record.location_href)
             assert os.path.exists(record_path)
 
-            reader = cr.RepositoryReader.from_path(self.tmpdir)
-            for pkg in reader.iter_packages():
-                # test that the package files are present where expected
-                pkg_path = os.path.join(self.tmpdir, pkg.location_href)
-                assert os.path.exists(pkg_path)
-                # test that the package checksum type is correct
-                assert pkg.checksum_type == "sha256"
+        reader = cr.RepositoryReader.from_path(self.tmpdir)
+        for pkg in reader.iter_packages():
+            # test that the package files are present where expected
+            pkg_path = os.path.join(self.tmpdir, pkg.location_href)
+            assert os.path.exists(pkg_path)
+            # test that the package checksum type is correct
+            assert pkg.checksum_type == "sha256"
+
+        expected_updaterecords = [TEST_UPDATERECORD_UPDATE1]
+        for expected, actual in zip(expected_updaterecords, reader.advisories):
+            assert expected == actual
+
 
     def test_options(self):
         """Test that overriding default options works as intended"""
@@ -142,15 +147,20 @@ def test_options(self):
             record_path = os.path.join(self.tmpdir, record.location_href)
             assert os.path.exists(record_path)
 
-            reader = cr.RepositoryReader.from_path(self.tmpdir)
-            for pkg in reader.iter_packages():
-                # test that the package files are present where expected
-                pkg_path = os.path.join(self.tmpdir, pkg.location_href)
-                assert os.path.exists(pkg_path)
-                # test that changelog_limit works
-                assert len(pkg.changelogs) <= 1
-                # test that the package checksum type is correct
-                assert pkg.checksum_type == "sha512"
+        reader = cr.RepositoryReader.from_path(self.tmpdir)
+        for pkg in reader.iter_packages():
+            # test that the package files are present where expected
+            pkg_path = os.path.join(self.tmpdir, pkg.location_href)
+            assert os.path.exists(pkg_path)
+            # test that changelog_limit works
+            assert len(pkg.changelogs) <= 1
+            # test that the package checksum type is correct
+            assert pkg.checksum_type == "sha512"
+
+        expected_updaterecords = [TEST_UPDATERECORD_UPDATE1]
+        for expected, actual in zip(expected_updaterecords, reader.advisories):
+            assert expected == actual
+
 
     def test_add_repo_metadata(self):
         """Test adding an additional repo metadata file to the repository."""
@@ -239,4 +249,4 @@ def test_add_package(self):
             assert pkg.location_href.startswith("Packages/")
             # test that the package files are present where expected
             pkg_path = os.path.join(self.tmpdir, pkg.location_href)
-            assert os.path.exists(pkg_path)
\ No newline at end of file
+            assert os.path.exists(pkg_path)