1 files changed, 1 insertions, 1 deletions

diff --git a/src/msdos.c b/src/msdos.c
index 1192b37a0d4..d80e58bb713 100644
--- a/src/msdos.c
+++ b/src/msdos.c
@@ -1794,7 +1794,7 @@ internal_terminal_init (void)
         }
 
       Vinitial_window_system = Qpc;
-      Vwindow_system_version = make_fixnum (27); /* RE Emacs version */
+      Vwindow_system_version = make_fixnum (28); /* RE Emacs version */
       tty->terminal->type = output_msdos_raw;
 
       /* If Emacs was dumped on DOS/V machine, forget the stale VRAM