diff --git a/src/core/nm-config.c b/src/core/nm-config.c
index 74d8f4bf08..fdc450a0e6 100644
--- a/src/core/nm-config.c
+++ b/src/core/nm-config.c
@@ -836,15 +836,16 @@ static const ConfigGroup config_groups[] = {
                              NM_CONFIG_KEYFILE_KEY_MAIN_DEBUG,
                              NM_CONFIG_KEYFILE_KEY_MAIN_DHCP,
                              NM_CONFIG_KEYFILE_KEY_MAIN_DNS,
+                             NM_CONFIG_KEYFILE_KEY_MAIN_FIREWALL_BACKEND,
                              NM_CONFIG_KEYFILE_KEY_MAIN_HOSTNAME_MODE,
                              NM_CONFIG_KEYFILE_KEY_MAIN_IGNORE_CARRIER,
+                             NM_CONFIG_KEYFILE_KEY_MAIN_IWD_CONFIG_PATH,
                              NM_CONFIG_KEYFILE_KEY_MAIN_MONITOR_CONNECTION_FILES,
                              NM_CONFIG_KEYFILE_KEY_MAIN_NO_AUTO_DEFAULT,
                              NM_CONFIG_KEYFILE_KEY_MAIN_PLUGINS,
                              NM_CONFIG_KEYFILE_KEY_MAIN_RC_MANAGER,
                              NM_CONFIG_KEYFILE_KEY_MAIN_SLAVES_ORDER,
-                             NM_CONFIG_KEYFILE_KEY_MAIN_SYSTEMD_RESOLVED,
-                             NM_CONFIG_KEYFILE_KEY_MAIN_IWD_CONFIG_PATH, ),
+                             NM_CONFIG_KEYFILE_KEY_MAIN_SYSTEMD_RESOLVED, ),
     },
     {
         .group = NM_CONFIG_KEYFILE_GROUP_LOGGING,