diff --git a/nginx/server.conf b/nginx/server.conf
index 1d725572..d1725f58 100644
--- a/nginx/server.conf
+++ b/nginx/server.conf
@@ -69,10 +69,12 @@ server {
 
     location = /404 {
         internal;
+        http2_push /grapheneos.css?18;
     }
 
     location = /404.html {
         internal;
+        http2_push /grapheneos.css?18;
     }
 
     location ~ "\.(ico|webmanifest)$" {