diff --git a/installation/ca.sh b/installation/ca.sh
index 96cc267..7d3d658 100755
--- a/installation/ca.sh
+++ b/installation/ca.sh
@@ -10,5 +10,5 @@ sudo mkdir -p /var/www/html
 sudo cp ../data/index.html /var/www/html/
 sudo cp /root/ca.crt /var/www/html/
 sudo cp ../data/default.conf /etc/nginx/sites-available/default
-tar -cvf /var/www/html/dnsfix.tar ../data/dnsfix.sh
+tar -cvf /var/www/html/dnsfix.tar -C ../data dnsfix.sh
 sudo systemctl restart nginx