diff --git a/tests/end-to-end/test_override.py b/tests/end-to-end/test_override.py
new file mode 100644
index 0000000..a1ddb2e
--- /dev/null
+++ b/tests/end-to-end/test_override.py
@@ -0,0 +1,58 @@
+import os
+import shutil
+import subprocess
+import tempfile
+
+
+def generate_configuration(config_path, repository_path):
+    '''
+    Generate borgmatic configuration into a file at the config path, and update the defaults so as
+    to work for testing (including injecting the given repository path and tacking on an encryption
+    passphrase).
+    '''
+    subprocess.check_call(
+        'generate-borgmatic-config --destination {}'.format(config_path).split(' ')
+    )
+    config = (
+        open(config_path)
+        .read()
+        .replace('user@backupserver:sourcehostname.borg', repository_path)
+        .replace('- user@backupserver:{fqdn}', '')
+        .replace('- /home/user/path with spaces', '')
+        .replace('- /home', '- {}'.format(config_path))
+        .replace('- /etc', '')
+        .replace('- /var/log/syslog*', '')
+        + 'storage:\n    encryption_passphrase: "test"'
+    )
+    config_file = open(config_path, 'w')
+    config_file.write(config)
+    config_file.close()
+
+
+def test_override_get_normalized():
+    temporary_directory = tempfile.mkdtemp()
+    repository_path = os.path.join(temporary_directory, 'test.borg')
+    extract_path = os.path.join(temporary_directory, 'extract')
+
+    original_working_directory = os.getcwd()
+    os.mkdir(extract_path)
+    os.chdir(extract_path)
+
+    try:
+        config_path = os.path.join(temporary_directory, 'test.yaml')
+        generate_configuration(config_path, repository_path)
+
+        subprocess.check_call(
+            f'borgmatic -v 2 --config {config_path} init --encryption repokey'.split(' ')
+        )
+
+        # Run borgmatic with an override structured for an outdated config file format. If
+        # normalization is working, it should get normalized and shouldn't error.
+        subprocess.check_call(
+            f'borgmatic create --config {config_path} --override hooks.healthchecks=http://localhost:8888/someuuid'.split(
+                ' '
+            )
+        )
+    finally:
+        os.chdir(original_working_directory)
+        shutil.rmtree(temporary_directory)