diff --git a/certbot/src/certbot/_internal/plugins/apache/constants.py b/certbot/src/certbot/_internal/plugins/apache/constants.py
index d6d9f02c7..b37a943b3 100644
--- a/certbot/src/certbot/_internal/plugins/apache/constants.py
+++ b/certbot/src/certbot/_internal/plugins/apache/constants.py
@@ -45,7 +45,7 @@ def _generate_augeas_lens_dir_static() -> str:
     file_manager = ExitStack()
     atexit.register(file_manager.close)
     augeas_lens_dir_ref = importlib.resources.files("certbot") / "_internal" \
-        "plugins" / "apache" / "augeas_lens"
+        / "plugins" / "apache" / "augeas_lens"
     return str(file_manager.enter_context(importlib.resources.as_file(augeas_lens_dir_ref)))
 
 AUGEAS_LENS_DIR = _generate_augeas_lens_dir_static()
diff --git a/certbot/src/certbot/_internal/tests/plugins/apache/constants_test.py b/certbot/src/certbot/_internal/tests/plugins/apache/constants_test.py
new file mode 100644
index 000000000..d155b85be
--- /dev/null
+++ b/certbot/src/certbot/_internal/tests/plugins/apache/constants_test.py
@@ -0,0 +1,15 @@
+"""Tests for certbot._internal.plugins.apache.constants"""
+import sys
+import os.path
+
+import pytest
+
+from certbot._internal.plugins.apache import constants
+
+
+def test_augeas_lens_dir_exists():
+    assert os.path.exists(constants.AUGEAS_LENS_DIR)
+
+
+if __name__ == "__main__":
+    sys.exit(pytest.main(sys.argv[1:] + [__file__]))  # pragma: no cover