From b24b8424b1579fb22ebd2f40e0d4a71b272223ae Mon Sep 17 00:00:00 2001
From: nicm <nicm>
Date: Sun, 17 May 2026 12:38:04 +0000
Subject: [PATCH] Switch to use backing grid not copy mode's grid for copy
 line, GitHub issue 4995.

---
 window-copy.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/window-copy.c b/window-copy.c
index af80b8b4..72ac1306 100644
--- a/window-copy.c
+++ b/window-copy.c
@@ -898,9 +898,9 @@ window_copy_get_line(struct window_pane *wp, u_int y)
 {
 	struct window_mode_entry	*wme = TAILQ_FIRST(&wp->modes);
 	struct window_copy_mode_data	*data = wme->data;
-	struct grid			*gd = data->screen.grid;
+	struct grid			*gd = data->backing->grid;
 
-	return (format_grid_line(gd, gd->hsize + y));
+	return (format_grid_line(gd, gd->hsize + y - data->oy));
 }
 
 char *