diff --git a/daemon/cupslocald-systemd.service.in b/daemon/cupslocald-systemd.service.in
index 3fe80cb..3b27b4c 100644
--- a/daemon/cupslocald-systemd.service.in
+++ b/daemon/cupslocald-systemd.service.in
@@ -5,3 +5,4 @@ Description=CUPS Local Spooler
 Type=dbus
 BusName=org.openprinting.cups-locald
 ExecStart=@sbindir@/cups-locald
+Slice=system-cups.slice