diff --git a/src/proto/window.pro b/src/proto/window.pro
index 9e66db5..26c7040 100644
--- a/src/proto/window.pro
+++ b/src/proto/window.pro
@@ -57,6 +57,7 @@
 win_T *win_vert_neighbor(tabpage_T *tp, win_T *wp, int up, long count);
 win_T *win_horz_neighbor(tabpage_T *tp, win_T *wp, int left, long count);
 void win_enter(win_T *wp, int undo_sync);
+void win_fix_current_dir(void);
 win_T *buf_jump_open_win(buf_T *buf);
 win_T *buf_jump_open_tab(buf_T *buf);
 int win_unlisted(win_T *wp);