diff --git a/debian/haveged.service b/debian/haveged.service
index 4425c10..56d8092 100644
--- a/debian/haveged.service
+++ b/debian/haveged.service
@@ -4,6 +4,7 @@ Documentation=man:haveged(8) http://www.issihosts.com/haveged/
 DefaultDependencies=no
 After=apparmor.service systemd-tmpfiles-setup.service systemd-tmpfiles-setup-dev.service
 Before=sysinit.target shutdown.target
+Conflicts=shutdown.target
 
 [Service]
 EnvironmentFile=-/etc/default/haveged