diff --git a/src/proto/screen.pro b/src/proto/screen.pro
index d5792fa..b4f54a2 100644
--- a/src/proto/screen.pro
+++ b/src/proto/screen.pro
@@ -57,7 +57,7 @@
 int screen_screenrow(void);
 char *set_fillchars_option(win_T *wp, char_u *val, int apply);
 char *set_listchars_option(win_T *wp, char_u *val, int apply);
-char_u * get_fillchars_name(expand_T *xp, int idx);
-char_u * get_listchars_name(expand_T *xp, int idx);
+char_u *get_fillchars_name(expand_T *xp, int idx);
+char_u *get_listchars_name(expand_T *xp, int idx);
 char *check_chars_options(void);
 /* vim: set ft=c : */