diff --git a/data_structures/binary_tree/red_black_tree.py b/data_structures/binary_tree/red_black_tree.py
index 4ebe0e927..fc299301d 100644
--- a/data_structures/binary_tree/red_black_tree.py
+++ b/data_structures/binary_tree/red_black_tree.py
@@ -451,7 +451,7 @@ class RedBlackTree:
         """Returns true iff this node is the left child of its parent."""
         if self.parent is None:
             return False
-        return self.parent.left is self.parent.left is self
+        return self.parent.left is self
 
     def is_right(self) -> bool:
         """Returns true iff this node is the right child of its parent."""