diff --git a/install/ubuntu/18.04/nginx/nginx.conf b/install/ubuntu/18.04/nginx/nginx.conf
index 790aee49..dc2cf1dd 100644
--- a/install/ubuntu/18.04/nginx/nginx.conf
+++ b/install/ubuntu/18.04/nginx/nginx.conf
@@ -50,6 +50,7 @@ http {
 
     # Compression
     gzip                on;
+    gzip_vary           on;
     gzip_static         on;
     gzip_vary           on;
     gzip_comp_level     6;