diff --git a/contrib/dunst.systemd.service.in b/contrib/dunst.systemd.service.in
index 54aec39..11df700 100644
--- a/contrib/dunst.systemd.service.in
+++ b/contrib/dunst.systemd.service.in
@@ -1,6 +1,7 @@
 [Unit]
 Description=Dunst notification daemon
 Documentation=man:dunst(1)
+PartOf=graphical-session.target
 
 [Service]
 Type=dbus