diff --git a/python/markupever/dom.py b/python/markupever/dom.py
index f3f336e..928ea0b 100644
--- a/python/markupever/dom.py
+++ b/python/markupever/dom.py
@@ -229,12 +229,12 @@ def last_child(self) -> typing.Optional["BaseNode"]:
     @property
     def has_siblings(self) -> bool:
         """Returns `True` if the node has sibling."""
-        return self._raw.has_siblings
+        return self._raw.has_siblings()
 
     @property
     def has_children(self) -> bool:
         """Returns `True` if the node has children."""
-        return self._raw.has_children
+        return self._raw.has_children()
 
     def tree(self) -> "TreeDom":
         """Returns the TreeDom instance representing the tree to which this node is connected."""
diff --git a/python/tests/test_dom.py b/python/tests/test_dom.py
index 7220e41..02b3491 100644
--- a/python/tests/test_dom.py
+++ b/python/tests/test_dom.py
@@ -162,8 +162,10 @@ def test_connect_node():
     assert p.text(strip=True) == "content 1content 2"
     assert p.text(separator="\t", strip=True) == "content 1\tcontent 2"
 
-    assert text.has_siblings
-    assert p.has_children
+    assert text.has_siblings is True
+    assert p.has_children is True
+    assert text.has_children is False
+    assert root.has_siblings is False
     assert p.tree() == dom
 
     assert (