diff --git a/electrum/plugins/digitalbitbox/digitalbitbox.py b/electrum/plugins/digitalbitbox/digitalbitbox.py
index 22caaa155..f5fd6f8ff 100644
--- a/electrum/plugins/digitalbitbox/digitalbitbox.py
+++ b/electrum/plugins/digitalbitbox/digitalbitbox.py
@@ -125,6 +125,9 @@ class DigitalBitbox_Client(HardwareClientBase):
         else:
             raise Exception('no reply')
 
+    def get_soft_device_id(self):
+        return None
+
     def dbb_has_password(self):
         reply = self.hid_send_plain(b'{"ping":""}')
         if 'ping' not in reply: