diff --git a/homeassistant/core.py b/homeassistant/core.py
index 8ff9d9cfd81d99..543aba2a0e70ee 100644
--- a/homeassistant/core.py
+++ b/homeassistant/core.py
@@ -1064,7 +1064,7 @@ def is_allowed_path(self, path: str) -> bool:
         """Check if the path is valid for access from outside."""
         assert path is not None
 
-        parent = pathlib.Path(path).parent
+        parent = pathlib.Path(path)
         try:
             parent = parent.resolve()  # pylint: disable=no-member
         except (FileNotFoundError, RuntimeError, PermissionError):
diff --git a/tests/test_core.py b/tests/test_core.py
index 77a7872526f4ab..261b6385b048fa 100644
--- a/tests/test_core.py
+++ b/tests/test_core.py
@@ -809,6 +809,7 @@ def test_is_allowed_path(self):
 
             valid = [
                 test_file,
+                tmp_dir
             ]
             for path in valid:
                 assert self.config.is_allowed_path(path)