Index: config/river/init
--- config/river/init.orig
+++ config/river/init
@@ -1,5 +1,8 @@
-systemctl --user import-environment WAYLAND_DISPLAY XDG_CURRENT_DESKTOP
-dbus-update-activation-environment --systemd WAYLAND_DISPLAY XDG_CURRENT_DESKTOP=river
-systemctl --user restart xdg-desktop-portal
+#! /bin/ksh
+set -eu
+
+: ${XDG_CURRENT_DESKTOP:=river}
+
+export XDG_CURRENT_DESKTOP
 
 cow-start
