diff --git a/etc/nginx/vhost/site_codeigniter.conf b/etc/nginx/vhost/site_codeigniter.conf
index 878c1db..b34e1eb 100644
--- a/etc/nginx/vhost/site_codeigniter.conf
+++ b/etc/nginx/vhost/site_codeigniter.conf
@@ -2,7 +2,7 @@
 # Designed to be included in any server {} block.
 
 location / {
-    try_files $uri $uri/ /index.php?$args;
+    try_files $uri $uri/ /index.php?$is_args$args;
 
     # Uncomment to enable naxsi on this location
     #include /etc/nginx/naxsi.rules