diff --git a/nginx.conf b/nginx.conf
index b9c5ddb..6adc6ca 100644
--- a/nginx.conf
+++ b/nginx.conf
@@ -136,7 +136,7 @@ http {
 
     # CSS and Javascript
     location ~* \.(?:css|js)$ {
-      expires 1Y;
+      expires 1y;
       access_log off;
       add_header Cache-Control "public";
     }