diff --git a/conf/nginx.conf b/conf/nginx.conf
index ce405b9..919fa8d 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -15,9 +15,9 @@ location @handle_redirect {
     proxy_hide_header x-amz-server-side-encryption;
     proxy_pass $redirect_uri;
 
-    add_header x-internal-redirect "$redirect_uri";
-    add_header x-cache-control "$redirect_cache_control";
-    add_header cache-control "$redirect_cache_control";
+    more_set_headers  "x-internal-redirect: '$redirect_uri'";
+    more_set_headers "x-cache-control: '$redirect_cache_control'";
+    more_set_headers "cache-control: '$redirect_cache_control'";
 }
 
 location /assets {
@@ -42,15 +42,15 @@ location /internal/gfonts/css {
     proxy_set_header Host "fonts.googleapis.com";
     proxy_set_header Accept "*/*";
 
-    add_header Access-Control-Allow-Origin $http_origin;
-    add_header Cache-Control max-age=86400;
-    add_header X-Cache-Status $upstream_cache_status;
+    more_set_headers "Access-Control-Allow-Origin: $http_origin";
+    more_set_headers "Cache-Control: max-age=86400";
+    more_set_headers "X-Cache-Status: $upstream_cache_status";
 }
 
-location /internal/assets {
+location /internal/assets/ {
     internal;
-    alias __DATA_DIR__/assets;
-    add_header x-internal-redirect "$upstream_http_x_accel_redirect";
+    alias __DATA_DIR__/assets/;
+    more_set_headers "x-internal-redirect: '$upstream_http_x_accel_redirect'";
 }
 
 location /api/export {
@@ -90,17 +90,17 @@ location / {
 
         # proxy_cache penpot;
 
-        add_header Access-Control-Allow-Origin $http_origin;
-        add_header Cache-Control max-age=86400;
-        add_header X-Cache-Status $upstream_cache_status;
+        more_set_headers "Access-Control-Allow-Origin: $http_origin";
+        more_set_headers "Cache-Control: max-age=86400";
+        more_set_headers "X-Cache-Status: $upstream_cache_status";
     }
 
     location ~* \.(js|css).*$ {
-        add_header Cache-Control "max-age=86400" always; # 24 hours
+        more_set_headers "Cache-Control: 'max-age=86400' always"; # 24 hours
     }
 
     location ~* \.(html).*$ {
-        add_header Cache-Control "no-cache, max-age=0" always;
+        more_set_headers "Cache-Control: 'no-cache, max-age=0' always";
     }
     
     location ~ ^/(/|css|fonts|images|js|wasm) {