diff --git a/logrotate_urbackupsrv b/logrotate_urbackupsrv
index b967a8a8a..85179fc00 100644
--- a/logrotate_urbackupsrv
+++ b/logrotate_urbackupsrv
@@ -5,6 +5,6 @@
 	create 640 urbackup urbackup
 	compress
 	postrotate
-		test -e /var/run/urbackupsrv.pid && kill -HUP `cat /var/run/urbackupsrv.pid` || /bin/systemctl kill -s HUP urbackup-server.service
+		(test -e /var/run/urbackupsrv.pid && kill -HUP `cat /var/run/urbackupsrv.pid`) || (/bin/systemctl kill -s HUP urbackup-server.service)
 	endscript
 }