diff --git a/input.c b/input.c
index 8f58d9bc7..8c738a297 100644
--- a/input.c
+++ b/input.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: input.c,v 1.269 2026/07/20 11:16:33 nicm Exp $ */
+/* $OpenBSD: input.c,v 1.270 2026/08/17 20:04:00 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -1978,7 +1978,7 @@ input_csi_dispatch_rm_private(struct input_ctx *ictx)
 			screen_write_mode_clear(sctx, MODE_BRACKETPASTE);
 			break;
 		case 2026:
-			screen_write_stop_sync(ictx->wp);
+			screen_write_end_sync(sctx);
 			break;
 		case 2031:
 			screen_write_mode_clear(sctx, MODE_THEME_UPDATES);
diff --git a/screen-write.c b/screen-write.c
index 150eab7db..56be3cca1 100644
--- a/screen-write.c
+++ b/screen-write.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: screen-write.c,v 1.286 2026/08/03 12:58:53 nicm Exp $ */
+/* $OpenBSD: screen-write.c,v 1.287 2026/08/17 20:04:00 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -1059,6 +1059,19 @@ screen_write_stop_sync(struct window_pane *wp)
 	log_debug("%s: %%%u stopped sync mode", __func__, wp->id);
 }
 
+/* Flush pending output before clearing sync mode. */
+void
+screen_write_end_sync(struct screen_write_ctx *ctx)
+{
+	struct window_pane	*wp = ctx->wp;
+
+	if (wp == NULL)
+		return;
+	if (wp->base.mode & MODE_SYNC)
+		screen_write_collect_flush(ctx, 0, __func__);
+	screen_write_stop_sync(wp);
+}
+
 /* Cursor up by ny. */
 void
 screen_write_cursorup(struct screen_write_ctx *ctx, u_int ny)
diff --git a/tmux.h b/tmux.h
index c27e7f23f..468b1acc7 100644
--- a/tmux.h
+++ b/tmux.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: tmux.h,v 1.1424 2026/08/17 14:47:41 nicm Exp $ */
+/* $OpenBSD: tmux.h,v 1.1425 2026/08/17 20:04:00 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -3600,6 +3600,7 @@ void	 screen_write_mode_set(struct screen_write_ctx *, int);
 void	 screen_write_mode_clear(struct screen_write_ctx *, int);
 void	 screen_write_start_sync(struct window_pane *);
 void	 screen_write_stop_sync(struct window_pane *);
+void	 screen_write_end_sync(struct screen_write_ctx *);
 void	 screen_write_clear_dirty(struct window_pane *);
 void	 screen_write_cursorup(struct screen_write_ctx *, u_int);
 void	 screen_write_cursordown(struct screen_write_ctx *, u_int);