diff --git a/tests/test_config.py b/tests/test_config.py
index 284bb984855ad53ac493916adfc0bd2b538e988e..e18a20eabac7071e05794bc68a93a9f704c15b77 100644
--- a/tests/test_config.py
+++ b/tests/test_config.py
@@ -381,3 +381,14 @@ def test_default_fiscal_year_begin():
     actual = config.fiscal_year_begin()
     assert actual.month == 3
     assert actual.day == 1
+
+def test_books_loader():
+    books_path = testutil.test_path('bookstest')
+    config = config_mod.Config()
+    config.load_string(f'[Beancount]\nbooks dir = {books_path}\n')
+    loader = config.books_loader()
+    expected = 'include "{}"'.format(books_path / 'books/2020.beancount')
+    assert loader.fy_range_string(0, 2020, {}) == expected
+
+def test_books_loader_without_books():
+    assert config_mod.Config().books_loader() is None