diff --git a/src/proto/drawscreen.pro b/src/proto/drawscreen.pro
index 6fa5e2c..6f1d3e3 100644
--- a/src/proto/drawscreen.pro
+++ b/src/proto/drawscreen.pro
@@ -24,4 +24,5 @@
 void redraw_statuslines(void);
 void win_redraw_last_status(frame_T *frp);
 void redrawWinline(win_T *wp, linenr_T lnum);
+void redraw_win_range_later(win_T *wp, linenr_T first, linenr_T last);
 /* vim: set ft=c : */