diff --git a/tango/pyaml/multi_attribute.py b/tango/pyaml/multi_attribute.py
index c0a4b02..807b5e4 100644
--- a/tango/pyaml/multi_attribute.py
+++ b/tango/pyaml/multi_attribute.py
@@ -50,8 +50,7 @@ def __init__(
         range: tuple[float | None, float | None] | None = None,
     ):
         super().__init__()
-
-        self._attributes = attributes
+        self._attributes = [] if attributes is None else attributes
         self._name = name
         self._unit = unit
         self._range = range