diff --git a/Systemd-integration.md b/Systemd-integration.md
index 7dbc024..4800f90 100644
--- a/Systemd-integration.md
+++ b/Systemd-integration.md
@@ -69,6 +69,7 @@ After=graphical-session-pre.target
 [Service]
 Type=simple
 EnvironmentFile=-%h/.config/sway/env
+ExecStartPre=systemctl --user unset-environment WAYLAND_DISPLAY DISPLAY # This line make you can logout to dm and login into sway again
 ExecStart=/usr/bin/sway
 Restart=on-failure
 RestartSec=1