diff --git a/src/proto/popupwin.pro b/src/proto/popupwin.pro
index dcc14de..12be54f 100644
--- a/src/proto/popupwin.pro
+++ b/src/proto/popupwin.pro
@@ -67,6 +67,8 @@
 void popup_show_message_win(void);
 int popup_message_win_visible(void);
 void popup_hide_message_win(void);
+void start_echowindow(void);
+void end_echowindow(void);
 int popup_win_closed(win_T *win);
 void popup_set_title(win_T *wp);
 void popup_update_preview_title(void);