diff --git a/etc/nginx/conf.d/cs4430.conf b/etc/nginx/conf.d/cs4430.conf
index ae24338..1b6411d 100644
--- a/etc/nginx/conf.d/cs4430.conf
+++ b/etc/nginx/conf.d/cs4430.conf
@@ -17,5 +17,6 @@ server {
     location ~ \.php$ {
         include snippets/fastcgi-php.conf;
         fastcgi_pass unix:/run/php/php7.2-fpm.sock;
+        ssi on;
     }
 }