diff --git a/src/common/config.py b/src/common/config.py
index 46b7c28ce..6df86f919 100644
--- a/src/common/config.py
+++ b/src/common/config.py
@@ -143,8 +143,8 @@ class Config:
 		'autodetect_browser_mailer': [opt_bool, False, '', True],
 		'print_ichat_every_foo_minutes': [opt_int, 5],
 		'confirm_close_muc': [opt_bool, True, _('Ask before closing a group chat tab/window.')],
-		'confirm_close_muc_rooms': [opt_str, True, _('Always ask before closing group chat tab/window in this space separated list of room jids.')],
-		'noconfirm_close_muc_rooms': [opt_str, True, _('Never ask before closing group chat tab/window in this space separated list of room jids.')],
+		'confirm_close_muc_rooms': [opt_str, '', _('Always ask before closing group chat tab/window in this space separated list of room jids.')],
+		'noconfirm_close_muc_rooms': [opt_str, '', _('Never ask before closing group chat tab/window in this space separated list of room jids.')],
 		'notify_on_file_complete': [opt_bool, True],
 		'file_transfers_port': [opt_int, 28011],
 		'ft_override_host_to_send': [opt_str, '', _('Overrides the host we send for File Transfer in case of address translation/port forwarding.')],