diff --git a/src/kmscon_main.c b/src/kmscon_main.c
index b02d6bd..548bf23 100644
--- a/src/kmscon_main.c
+++ b/src/kmscon_main.c
@@ -106,6 +106,19 @@ static int app_seat_event(struct kmscon_seat *s, unsigned int event,
 			if (!--app->vt_exit_count)
 				ev_eloop_exit(app->vt_eloop);
 		}
+		break;
+	case KMSCON_SEAT_HUP:
+		kmscon_seat_free(seat->seat);
+		seat->seat = NULL;
+
+		if (!shl_string_list_is(app->conf->seats, "all") &&
+		    shl_string_list_count(app->conf->seats, true) == 1) {
+			log_debug("seat HUP in single-seat mode; exiting...");
+			ev_eloop_exit(app->eloop);
+		} else {
+			log_debug("seat HUP in multi-seat mode; ignoring...");
+		}
+
 		break;
 	}
 
diff --git a/src/kmscon_seat.c b/src/kmscon_seat.c
index d31b042..e8b554a 100644
--- a/src/kmscon_seat.c
+++ b/src/kmscon_seat.c
@@ -539,6 +539,10 @@ static int seat_vt_event(struct uterm_vt *vt, struct uterm_vt_event *ev,
 		if (ret)
 			return ret;
 		break;
+	case UTERM_VT_HUP:
+		if (seat->cb)
+			seat->cb(seat, KMSCON_SEAT_HUP, seat->data);
+		break;
 	}
 
 	return 0;
diff --git a/src/kmscon_seat.h b/src/kmscon_seat.h
index f70f2a6..4a306ea 100644
--- a/src/kmscon_seat.h
+++ b/src/kmscon_seat.h
@@ -46,6 +46,7 @@ enum kmscon_seat_event {
 	KMSCON_SEAT_SLEEP,
 	KMSCON_SEAT_BACKGROUND,
 	KMSCON_SEAT_FOREGROUND,
+	KMSCON_SEAT_HUP,
 };
 
 typedef int (*kmscon_seat_cb_t) (struct kmscon_seat *seat,