diff --git a/src/proto/gui_x11.pro b/src/proto/gui_x11.pro
index e490d0c..955f374 100644
--- a/src/proto/gui_x11.pro
+++ b/src/proto/gui_x11.pro
@@ -57,7 +57,7 @@
 int gui_mch_is_blinking(void);
 int gui_mch_is_blink_off(void);
 void gui_mch_set_blinking(long waittime, long on, long off);
-void gui_mch_stop_blink(void);
+void gui_mch_stop_blink(int may_call_gui_update_cursor);
 void gui_mch_start_blink(void);
 guicolor_T gui_mch_get_rgb(guicolor_T pixel);
 void gui_x11_callbacks(Widget textArea, Widget vimForm);