diff --git a/files/nginx/nginx.conf b/files/nginx/nginx.conf
index 86aa811..0bd67ce 100644
--- a/files/nginx/nginx.conf
+++ b/files/nginx/nginx.conf
@@ -23,7 +23,7 @@ http {
 
     gzip on;
     gzip_min_length 256;
-    gzip_vary: on;
+    gzip_vary on;
     gzip_types
       application/atom+xml
       application/geo+json