diff --git a/src/proto/screen.pro b/src/proto/screen.pro
index 53937d3..cf7cd95 100644
--- a/src/proto/screen.pro
+++ b/src/proto/screen.pro
@@ -7,7 +7,7 @@
 size_t fill_foldcolumn(char_u *p, win_T *wp, int closed, linenr_T lnum);
 int screen_get_current_line_off(void);
 void reset_screen_attr(void);
-void screen_line(win_T *wp, int row, int coloff, int endcol, int clear_width, int flags);
+void screen_line(win_T *wp, int row, int coloff, int endcol, int clear_width, colnr_T last_vcol, int flags);
 void rl_mirror(char_u *str);
 void draw_vsep_win(win_T *wp, int row);
 int stl_connected(win_T *wp);