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-rw-r--r--src/window.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/window.c b/src/window.c
index 7155f0e6bc3..2a5e4042a48 100644
--- a/src/window.c
+++ b/src/window.c
@@ -5861,7 +5861,8 @@ window_scroll_pixel_based (Lisp_Object window, int n, bool whole, bool noerror)
/* We moved the window start towards ZV, so PT may be now
in the scroll margin at the top. */
- move_it_to (&it, PT, -1, -1, -1, MOVE_TO_POS);
+ if (IT_CHARPOS (it) < PT)
+ move_it_to (&it, PT, -1, -1, -1, MOVE_TO_POS);
if (IT_CHARPOS (it) == PT
&& it.current_y >= this_scroll_margin
&& it.current_y <= last_y - WINDOW_TAB_LINE_HEIGHT (w)