diff --git a/install.sh b/install.sh
index 430fa13..329ed58 100755
--- a/install.sh
+++ b/install.sh
@@ -409,4 +409,5 @@ sudo chown -R www-data:www-data /var/www
 sudo ufw allow proto udp to 224.0.0.0/4
 sudo ufw route allow proto udp to 224.0.0.0/4
 sudo ufw deny out to 239.255.254.254 port 39000 proto udp
-sudo systemctl daemon-reload
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+sudo systemctl daemon-reload
+sudo chmod 444 /sys/class/dmi/id/product_uuid
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