diff --git a/etc/systemd/system/aminda-nocron-reboot.service b/etc/systemd/system/aminda-nocron-reboot.service
index 4c9952b3..0865a16a 100644
--- a/etc/systemd/system/aminda-nocron-reboot.service
+++ b/etc/systemd/system/aminda-nocron-reboot.service
@@ -38,8 +38,8 @@ ExecStart=-/usr/bin/systemctl enable --now sshguard.service
 ExecStart=-/usr/bin/systemctl enable --now unbound.service
 ExecStart=-/usr/bin/systemctl enable --now chrony.service
 ExecStart=-/usr/bin/systemctl enable --now chronyd.service
-ExecStart=-/bin/chown -R root:$LINUXBREWGROUP /home/linuxbrew -R
-ExecStart=-/bin/setfacl -R -m g:$LINUXBREWGROUP:rwx,o:rx /home/linuxbrew
+ExecStart=-/bin/chown -R root:${LINUXBREWGROUP} /home/linuxbrew -R
+ExecStart=-/bin/setfacl -R -m g:${LINUXBREWGROUP}:rwx,o:rx /home/linuxbrew
 User=root
 StandardOutput=journal
 StandardError=journal