diff --git a/src/proto/gui_x11.pro b/src/proto/gui_x11.pro
index f14e26f..7308cd3 100644
--- a/src/proto/gui_x11.pro
+++ b/src/proto/gui_x11.pro
@@ -57,8 +57,7 @@
 void gui_mch_start_blink __ARGS((void));
 long_u gui_mch_get_rgb __ARGS((guicolor_T pixel));
 void gui_x11_callbacks __ARGS((Widget textArea, Widget vimForm));
-int gui_mch_get_mouse_x __ARGS((void));
-int gui_mch_get_mouse_y __ARGS((void));
+void gui_mch_getmouse __ARGS((int *x, int *y));
 void gui_mch_setmouse __ARGS((int x, int y));
 XButtonPressedEvent *gui_x11_get_last_mouse_event __ARGS((void));
 void gui_mch_drawsign __ARGS((int row, int col, int typenr));