diff --git a/electrum/commands.py b/electrum/commands.py
index 45e3d92c8..87dcd83a9 100644
--- a/electrum/commands.py
+++ b/electrum/commands.py
@@ -2397,7 +2397,7 @@ def add_global_options(parser, suppress=False):
         "--rpcpassword", dest=SimpleConfig.RPC_PASSWORD.key(), default=argparse.SUPPRESS,
         help=argparse.SUPPRESS if suppress else "RPC password")
     group.add_argument(
-        "--forgetconfig", action="store_true", dest=SimpleConfig.CONFIG_FORGET_CHANGES.key(), default=False,
+        "--forgetconfig", action="store_true", dest=SimpleConfig.CONFIG_FORGET_CHANGES.key(), default=None,
         help=argparse.SUPPRESS if suppress else "Forget config on exit")
 
 
diff --git a/electrum/simple_config.py b/electrum/simple_config.py
index a74818626..2d3ec005e 100644
--- a/electrum/simple_config.py
+++ b/electrum/simple_config.py
@@ -446,6 +446,7 @@ class SimpleConfig(Logger):
 
     def save_user_config(self):
         if self.CONFIG_FORGET_CHANGES:
+            self.logger.warning(f"not saving config changes to disk as {self.cv.CONFIG_FORGET_CHANGES.key()} is set", only_once=True)
             return
         if not self.path:
             return