1 files changed, 4 insertions, 0 deletions

diff --git a/src/minibuf.c b/src/minibuf.c
index fc8e2ef5061..8543a7c4813 100644
--- a/src/minibuf.c
+++ b/src/minibuf.c
@@ -112,6 +112,9 @@ choose_minibuf_frame ()
   if (selected_frame != 0
       && !EQ (minibuf_window, selected_frame->minibuffer_window))
     {
+#ifdef MSDOS
+      selected_frame->minibuffer_window = minibuf_window;
+#else
       /* I don't think that any frames may validly have a null minibuffer
          window anymore.  */
       if (NILP (selected_frame->minibuffer_window))
@@ -120,6 +123,7 @@ choose_minibuf_frame ()
       Fset_window_buffer (selected_frame->minibuffer_window,
                           XWINDOW (minibuf_window)->buffer);
       minibuf_window = selected_frame->minibuffer_window;
+#endif
     }
 }