case BT_PROPERTY_UUIDS: {
event_dev_services_t *services_info;
bt_uuid_t *uuids = (bt_uuid_t *) properties[0].val;
- BT_INFO("Properties len [%d] event structure size [%d]", properties[0].len, sizeof(event_dev_services_t));
+ BT_INFO("Properties len [%d] event structure size [%zu]", properties[0].len, sizeof(event_dev_services_t));
services_info = g_malloc(sizeof(event_dev_services_t) + properties[0].len);
services_info->address = dev_info->address;