diff --git a/entrypoint/site-config.sh b/entrypoint/site-config.sh
index e90cb74..6bf2642 100644
--- a/entrypoint/site-config.sh
+++ b/entrypoint/site-config.sh
@@ -68,7 +68,7 @@ if [ "$USE_REVERSE_PROXY" = "yes" ] ; then
 		replace_in_file "${NGINX_PREFIX}reverse-proxy-${i}.conf" "%REVERSE_PROXY_URL%" "$url_value"
 		replace_in_file "${NGINX_PREFIX}reverse-proxy-${i}.conf" "%REVERSE_PROXY_HOST%" "$host_value"
 		if [ "$custom_headers_value" != "" ] ; then
-			IFS_$IFS
+			IFS_=$IFS
 			IFS=';'
 			for header_value in $(echo $custom_headers_value) ; do
 				replace_in_file "${NGINX_PREFIX}reverse-proxy-${i}.conf" "%REVERSE_PROXY_CUSTOM_HEADERS%" "proxy_set_header $header_value;\n%REVERSE_PROXY_CUSTOM_HEADERS%"
diff --git a/prepare.sh b/prepare.sh
index a4a0279..29fc113 100644
--- a/prepare.sh
+++ b/prepare.sh
@@ -68,7 +68,7 @@ chown -R root:nginx /var/run/fail2ban /var/lib/fail2ban
 chmod -R 770 /var/run/fail2ban /var/lib/fail2ban
 
 # prepare /usr/local/lib/lua
-chown root:nginx /usr/local/lib/lua
+chown -R root:nginx /usr/local/lib/lua
 chmod 770 /usr/local/lib/lua
 find /usr/local/lib/lua -type f -name "*.conf" -exec chmod 0760 {} \;
 find /usr/local/lib/lua -type f -name "*.lua" -exec chmod 0760 {} \;