1 files changed, 1 insertions, 1 deletions

diff --git a/src/msdos.c b/src/msdos.c
index b6f6a75ac60..8595c8f6ce9 100644
--- a/src/msdos.c
+++ b/src/msdos.c
@@ -3381,7 +3381,7 @@ dos_rawgetc ()
             }
 
           /* Generate SELECT_WINDOW_EVENTs when needed.  */
-          if (mouse_autoselect_window)
+          if (!NILP (Vmouse_autoselect_window))
             {
               mouse_window = window_from_coordinates (SELECTED_FRAME(),
                                                       mouse_last_x,