diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0cc910a2..97b116d9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,7 @@
 
 ## Unreleased
 
+* [#181](https://github.com/heroku/heroku-buildpack-static/pull/181) Fix compatibility with ngx_mruby 1.18.4+
 * [#177](https://github.com/heroku/heroku-buildpack-static/pull/177) Make curl retry in case of a failed download
 * [#177](https://github.com/heroku/heroku-buildpack-static/pull/177) Fix the printing of the installed nginx version
 * [#177](https://github.com/heroku/heroku-buildpack-static/pull/177) Switch to the recommended S3 URL format
diff --git a/scripts/config/templates/nginx.conf.erb b/scripts/config/templates/nginx.conf.erb
index f128862b..0a6b7aea 100644
--- a/scripts/config/templates/nginx.conf.erb
+++ b/scripts/config/templates/nginx.conf.erb
@@ -55,8 +55,9 @@ http {
     auth_basic_user_file <%= basic_auth_htpasswd_path %>;
   <% end %>
 
+    mruby_post_read_handler /app/bin/config/lib/ngx_mruby/headers.rb cache;
+
     location / {
-      mruby_post_read_handler /app/bin/config/lib/ngx_mruby/headers.rb cache;
       mruby_set $fallback /app/bin/config/lib/ngx_mruby/routes_fallback.rb cache;
     <% if clean_urls %>
       try_files $uri.html $uri $uri/ $fallback;