===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/tmux/tty.c,v
retrieving revision 1.412
retrieving revision 1.413
diff -c -r1.412 -r1.413
*** src/usr.bin/tmux/tty.c	2021/11/29 11:05:28	1.412
--- src/usr.bin/tmux/tty.c	2021/12/06 10:08:42	1.413
***************
*** 1,4 ****
! /* $OpenBSD: tty.c,v 1.412 2021/11/29 11:05:28 nicm Exp $ */
  
  /*
   * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
--- 1,4 ----
! /* $OpenBSD: tty.c,v 1.413 2021/12/06 10:08:42 nicm Exp $ */
  
  /*
   * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
***************
*** 937,943 ****
  	struct client	*c;
  
  	TAILQ_FOREACH(c, &clients, entry) {
! 		if (c->session != NULL && c->session->curw->window == w)
  			tty_update_client_offset(c);
  	}
  }
--- 937,945 ----
  	struct client	*c;
  
  	TAILQ_FOREACH(c, &clients, entry) {
! 		if (c->session != NULL &&
! 		    c->session->curw != NULL &&
! 		    c->session->curw->window == w)
  			tty_update_client_offset(c);
  	}
  }