diff --git a/cmd-attach-session.c b/cmd-attach-session.c
index 38d9f8a2..0db0d855 100644
--- a/cmd-attach-session.c
+++ b/cmd-attach-session.c
@@ -100,6 +100,7 @@ cmd_attach_session(struct cmdq_item *item, const char *tflag, int dflag,
 		s->cwd = format_single(item, cflag, c, s, wl, wp);
 	}
 
+	c->last_session = c->session;
 	if (c->session != NULL) {
 		if (dflag) {
 			TAILQ_FOREACH(c_loop, &clients, entry) {