diff --git a/lib/logitech_receiver/device.py b/lib/logitech_receiver/device.py
index fa76de21..f705e711 100644
--- a/lib/logitech_receiver/device.py
+++ b/lib/logitech_receiver/device.py
@@ -101,7 +101,8 @@ class Device:
         self._tid_map = None  # map from transports to product identifiers
         self._persister = None  # persister holds settings
         self._led_effects = self._firmware = self._keys = self._remap_keys = self._gestures = None
-        self._profiles = self._backlight = self.registers = self._settings = None
+        self._profiles = self._backlight = self._settings = None
+        self.registers = []
         self.notification_flags = None
         self.battery_info = None
         self.link_encrypted = None
diff --git a/tests/logitech_receiver/test_device.py b/tests/logitech_receiver/test_device.py
index 668e4187..468c5bd6 100644
--- a/tests/logitech_receiver/test_device.py
+++ b/tests/logitech_receiver/test_device.py
@@ -106,7 +106,7 @@ def test_Device_name(device_info, responses, codename, name, kind, mock_base):
         [None, "Illuminated", "Craft", "G700", "MX Vertical", None],
         [0xFF, 0x0, 0xFF, 0x0, 0xFF, 0xFF],
         [1.0, 1.0, 4.5, 1.0, 4.5, 4.5],
-        [None, [], [], (common.NamedInt(7, "battery status"), common.NamedInt(81, "three leds")), [], None],
+        [[], [], [], (common.NamedInt(7, "battery status"), common.NamedInt(81, "three leds")), [], []],
     ),
 )
 def test_Device_info(device_info, responses, handle, _name, _codename, number, protocol, registers, mock_base):