diff --git a/wpa_supplicant/dbus/dbus_new_handlers.c
b/wpa_supplicant/dbus/dbus_new_handlers.c
index 00378be..4229157 100644
--- a/wpa_supplicant/dbus/dbus_new_handlers.c
+++ b/wpa_supplicant/dbus/dbus_new_handlers.c
@@ -124,7 +124,7 @@ DBusMessage *
wpas_dbus_error_invalid_args(DBusMessage *message,
 static const char *dont_quote[] = {
 	"key_mgmt", "proto", "pairwise", "auth_alg", "group", "eap",
 	"opensc_engine_path", "pkcs11_engine_path", "pkcs11_module_path",
-	"bssid", NULL
+	"bssid", "scan_freq", "freq_list", NULL
 };