diff --git a/wpa_supplicant/dbus/dbus_new_handlers.c b/wpa_supplicant/dbus/dbus_new_handlers.c
index 65f722664..72d1dfa22 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
 };
 
 static dbus_bool_t should_quote_opt(const char *key)