diff --git a/src/proto/gui_x11.pro b/src/proto/gui_x11.pro
index ccaf99f..1e4410e 100644
--- a/src/proto/gui_x11.pro
+++ b/src/proto/gui_x11.pro
@@ -24,7 +24,7 @@
 GuiFontset gui_mch_get_fontset(char_u *name, int giveErrorIfMissing, int fixed_width);
 int fontset_height(XFontSet fs);
 int fontset_height2(XFontSet fs);
-guicolor_T gui_mch_get_color(char_u *reqname);
+guicolor_T gui_mch_get_color(char_u *name);
 void gui_mch_set_fg_color(guicolor_T color);
 void gui_mch_set_bg_color(guicolor_T color);
 void gui_mch_set_sp_color(guicolor_T color);
@@ -58,7 +58,7 @@
 void gui_mch_set_blinking(long waittime, long on, long off);
 void gui_mch_stop_blink(void);
 void gui_mch_start_blink(void);
-long_u gui_mch_get_rgb(guicolor_T pixel);
+guicolor_T gui_mch_get_rgb(guicolor_T pixel);
 void gui_x11_callbacks(Widget textArea, Widget vimForm);
 void gui_mch_getmouse(int *x, int *y);
 void gui_mch_setmouse(int x, int y);