From 7cbb96528ce9ec00b54f4e575b91c4336bf1db57 Mon Sep 17 00:00:00 2001
From: nicm <nicm>
Date: Tue, 28 Oct 2025 09:01:12 +0000
Subject: [PATCH] Do not try to reflow if line is NULL.

---
 grid.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/grid.c b/grid.c
index a0a52a0e..63eea68d 100644
--- a/grid.c
+++ b/grid.c
@@ -1304,7 +1304,7 @@ grid_reflow_join(struct grid *target, struct grid *gd, u_int sx, u_int yy,
 		if (!wrapped || want != from->cellused || width == sx)
 			break;
 	}
-	if (lines == 0)
+	if (lines == 0 || from == NULL)
 		return;
 
 	/*