* xdisp.c (redisplay_window): Compute the scrollbar start and end

	properly.

1 files changed, 2 insertions, 2 deletions

diff --git a/src/xdisp.c b/src/xdisp.c
index f37f1d4e976..f034bb203e6 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -1069,10 +1069,10 @@ done:
       if (! MINI_WINDOW_P (w)
           || (w == XWINDOW (minibuf_window) && ! echo_area_glyphs))
         {
-          start = startp;
+          start = startp - BEGV;
           /* I don't think this is guaranteed to be right.  For the
              moment, we'll pretend it is.  */
-          end = Z - XINT (w->window_end_pos);
+          end = Z - XINT (w->window_end_pos) - BEGV;
           whole = ZV - BEGV;
 
           if (end < start) end = start;