diff --git a/hosts/nachtigall/apps/nginx.nix b/hosts/nachtigall/apps/nginx.nix
index 5dd659c0..d1f5a3ff 100644
--- a/hosts/nachtigall/apps/nginx.nix
+++ b/hosts/nachtigall/apps/nginx.nix
@@ -20,8 +20,8 @@ in {
     recommendedProxySettings = true;
     recommendedTlsSettings = true;
     appendHttpConfig = ''
-      # https://nginx.org/en/docs/hash.html
-      proxy_headers_hash_max_size 1024;
+      # https://my.f5.com/manage/s/article/K51798430
+      proxy_headers_hash_bucket_size 128;
     '';
   };