diff --git a/install.sh b/install.sh
index 4dac0b9..aa1dd4a 100644
--- a/install.sh
+++ b/install.sh
@@ -26,7 +26,7 @@ v2ray_conf_dir="/etc/v2ray"
 nginx_conf_dir="/etc/nginx/conf/conf.d"
 v2ray_conf="${v2ray_conf_dir}/config.json"
 nginx_conf="${nginx_conf_dir}/v2ray.conf"
-nginx_dir=$"/etc/nginx"
+nginx_dir="/etc/nginx"
 nginx_openssl_src="/usr/local/src"
 nginx_version="1.16.1"
 openssl_version="1.1.1d"