diff --git a/src/proto/gui_gtk_x11.pro b/src/proto/gui_gtk_x11.pro
index d70a7b8..62889d2 100644
--- a/src/proto/gui_gtk_x11.pro
+++ b/src/proto/gui_gtk_x11.pro
@@ -57,8 +57,7 @@
 void gui_mch_draw_menubar __ARGS((void));
 void gui_mch_enable_scrollbar __ARGS((scrollbar_T *sb, int flag));
 long_u gui_mch_get_rgb __ARGS((guicolor_T pixel));
-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));
 void gui_mch_mousehide __ARGS((int hide));
 void mch_set_mouse_shape __ARGS((int shape));
diff --git a/src/proto/gui_kde_x11.pro b/src/proto/gui_kde_x11.pro
index cae8208..eb6a286 100644
--- a/src/proto/gui_kde_x11.pro
+++ b/src/proto/gui_kde_x11.pro
@@ -52,8 +52,7 @@
 void gui_mch_draw_menubar __ARGS((void));
 void gui_mch_enable_scrollbar __ARGS((scrollbar_T *sb, int flag));
 long_u gui_mch_get_rgb __ARGS((guicolor_T pixel));
-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));
 void gui_mch_mousehide __ARGS((int hide));
 void mch_set_mouse_shape __ARGS((int shape));
diff --git a/src/proto/gui_mac.pro b/src/proto/gui_mac.pro
index 6f595e2..b5a4638 100644
--- a/src/proto/gui_mac.pro
+++ b/src/proto/gui_mac.pro
@@ -17,8 +17,7 @@
 void gui_mch_set_blinking __ARGS((long wait, long on, long off));
 void gui_mch_stop_blink __ARGS((void));
 void gui_mch_start_blink __ARGS((void));
-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));
 void gui_mch_prepare __ARGS((int *argc, char **argv));
 int gui_mch_init_check __ARGS((void));
diff --git a/src/proto/gui_photon.pro b/src/proto/gui_photon.pro
index 54a5659..af33ef5 100644
--- a/src/proto/gui_photon.pro
+++ b/src/proto/gui_photon.pro
@@ -23,8 +23,7 @@
 void gui_mch_destroy_scrollbar __ARGS((scrollbar_T *sb));
 void mch_set_mouse_shape __ARGS((int shape));
 void gui_mch_mousehide __ARGS((int hide));
-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));
 long_u gui_mch_get_rgb __ARGS((guicolor_T pixel));
 void gui_mch_new_colors __ARGS((void));
diff --git a/src/proto/gui_w16.pro b/src/proto/gui_w16.pro
index f6b1b4a..1b07a00 100644
--- a/src/proto/gui_w16.pro
+++ b/src/proto/gui_w16.pro
@@ -39,8 +39,7 @@
 void gui_mch_replace_dialog __ARGS((exarg_T *eap));
 void gui_mch_mousehide __ARGS((int hide));
 void gui_mch_destroy_scrollbar __ARGS((scrollbar_T *sb));
-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));
 void gui_mch_get_screen_dimensions __ARGS((int *screen_w, int *screen_h));
 void gui_mch_flash __ARGS((int msec));
diff --git a/src/proto/gui_w32.pro b/src/proto/gui_w32.pro
index a8c9793..8eca7f1 100644
--- a/src/proto/gui_w32.pro
+++ b/src/proto/gui_w32.pro
@@ -39,8 +39,7 @@
 void gui_mch_replace_dialog __ARGS((exarg_T *eap));
 void gui_mch_mousehide __ARGS((int hide));
 void gui_mch_destroy_scrollbar __ARGS((scrollbar_T *sb));
-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));
 void gui_mch_get_screen_dimensions __ARGS((int *screen_w, int *screen_h));
 void gui_mch_flash __ARGS((int msec));