diff --git a/devices.py b/devices.py
index d2100c9..73978af 100644
--- a/devices.py
+++ b/devices.py
@@ -178,7 +178,12 @@ class FrappyConfig(Device):
         for service, guess in list(proposed.items()):
             if guess is True:
                 proposed.pop(service)
-        disconnected = {k for k, v in cfgs.items() if v == '<disconnected>'}
+        disconnected = set()
+        for service, info in cfgs.items():
+            if info == '<disconnected>':
+                disconnected.add(service)
+                if not proposed.get(service):
+                    proposed[service] = ''
         return proposed, state + (disconnected,), remarks
 
     def check_services(self):