diff --git a/src/ethereum_test_base_types/base_types.py b/src/ethereum_test_base_types/base_types.py
index 69b369acc6..937739aab7 100644
--- a/src/ethereum_test_base_types/base_types.py
+++ b/src/ethereum_test_base_types/base_types.py
@@ -298,10 +298,14 @@ class Address(FixedSizeBytes[20]):  # type: ignore
     label: str | None = None
 
     def __new__(
-        cls, input_bytes: "FixedSizeBytesConvertible | Address", *, label: str | None = None
+        cls,
+        input_bytes: "FixedSizeBytesConvertible | Address",
+        *args,
+        label: str | None = None,
+        **kwargs,
     ):
         """Create a new Address object with an optional label."""
-        instance = super(Address, cls).__new__(cls, input_bytes)
+        instance = super(Address, cls).__new__(cls, input_bytes, *args, **kwargs)
         if isinstance(input_bytes, Address) and label is None:
             instance.label = input_bytes.label
         else:
diff --git a/src/ethereum_test_base_types/tests/test_base_types.py b/src/ethereum_test_base_types/tests/test_base_types.py
index 42734e2d5f..c53ff13898 100644
--- a/src/ethereum_test_base_types/tests/test_base_types.py
+++ b/src/ethereum_test_base_types/tests/test_base_types.py
@@ -135,6 +135,26 @@ def test_comparisons(a: Any, b: Any, equal: bool):
         assert not a == b
 
 
+def test_hash_padding():
+    """Test Hash objects are padded correctly."""
+    assert Hash(b"\x01", left_padding=True) == (
+        "0x0000000000000000000000000000000000000000000000000000000000000001"
+    )
+    assert Hash(b"\x02", right_padding=True) == (
+        "0x0200000000000000000000000000000000000000000000000000000000000000"
+    )
+
+
+def test_address_padding():
+    """Test that addresses are padded correctly."""
+    assert Address(b"\x01", left_padding=True) == Address(
+        "0x0000000000000000000000000000000000000001"
+    )
+    assert Address(b"\x80", right_padding=True) == Address(
+        "0x8000000000000000000000000000000000000000"
+    )
+
+
 @pytest.mark.parametrize(
     "s, expected",
     [