diff --git a/src/proto/screen.pro b/src/proto/screen.pro
index 665b772..2e5f2e0 100644
--- a/src/proto/screen.pro
+++ b/src/proto/screen.pro
@@ -5,6 +5,7 @@
 void redraw_all_later(int type);
 void redraw_curbuf_later(int type);
 void redraw_buf_later(buf_T *buf, int type);
+void redraw_buf_line_later(buf_T *buf, linenr_T lnum);
 void redraw_buf_and_status_later(buf_T *buf, int type);
 int redraw_asap(int type);
 void redraw_after_callback(int call_update_screen);