diff --git a/source/vid_mgl.c b/source/vid_mgl.c
index fdda378..2da339b 100644
--- a/source/vid_mgl.c
+++ b/source/vid_mgl.c
@@ -55,6 +55,7 @@
 #define VID_ROW_SIZE	3
 
 extern void (*vid_menudrawfn)(void);
+extern void (*vid_menukeyfn)(int);
 
 /* Unused */
 int		VGA_width, VGA_height, VGA_rowbytes, VGA_bufferrowbytes, VGA_planar;
diff --git a/source/vid_wgl.c b/source/vid_wgl.c
index b642175..39c1fdb 100644
--- a/source/vid_wgl.c
+++ b/source/vid_wgl.c
@@ -48,6 +48,7 @@
 #include "sbar.h"
 
 extern void (*vid_menudrawfn)(void);
+extern void (*vid_menukeyfn)(int);
 
 #define MAX_MODE_LIST	30
 #define VID_ROW_SIZE	3