guac_client_data->rdp_inst = rdp_inst;
guac_client_data->mouse_button_mask = 0;
guac_client_data->current_surface = GUAC_DEFAULT_LAYER;
- guac_client_data->clipboard = "";
+ guac_client_data->clipboard = NULL;
/* Clear keysym state mapping and keymap */
memset(guac_client_data->keysym_state, 0,