diff --git a/modules/homelab/services/nginx-proxy/default.nix b/modules/homelab/services/nginx-proxy/default.nix
index 8be4aac..fd20e7b 100644
--- a/modules/homelab/services/nginx-proxy/default.nix
+++ b/modules/homelab/services/nginx-proxy/default.nix
@@ -43,7 +43,7 @@ in
         index = "klefki_pub.asc";
         extraConfig = 
           "add_header Content-Disposition "attachment; filename=klefki_pub.asc;" + 
-          default_type application/pgp-keys;
+          "default_type application/pgp-keys;"
         ;
       };
     };