1 files changed, 1 insertions, 1 deletions

diff --git a/src/msdos.h b/src/msdos.h
index 7c67ba7cff4..a60bb3edc5f 100644
--- a/src/msdos.h
+++ b/src/msdos.h
@@ -161,7 +161,7 @@ int XMenuAddSelection (Display *, XMenu *, int, int, char *, int, char *);
 void XMenuLocate (Display *, XMenu *, int, int, int, int,
                   int *, int *, int *, int *);
 int XMenuActivate (Display *, XMenu *, int *, int *, int, int, unsigned,
-                   char **, void (*callback)(char *));
+                   char **, void (*callback)(char *, int, int));
 void XMenuDestroy (Display *, XMenu *);
 
 #endif /* not HAVE_X_WINDOWS */