diff --git a/install_nginx.sh b/install_nginx.sh
index 0297e7e..a24d1bd 100644
--- a/install_nginx.sh
+++ b/install_nginx.sh
@@ -136,7 +136,9 @@ if [[ ! -f /etc/init.d/nginx ]]; then
         sudo wget http://gitlab.tp.rulingcom.com/erictyl/install_r45_on_ubuntu_1804lts_doc/-/raw/master/nginx.service -O /lib/systemd/system/nginx.service
         sudo chown root:root /lib/systemd/system/nginx.service
         sudo chmod 644 /lib/systemd/system/nginx.service
+        sudo chmod +x /lib/systemd/system/nginx.service
         sudo systemctl daemon-reload
+        sudo systemctl unmask nginx
         sudo systemctl enable nginx
     fi
 fi