diff --git a/default.conf b/default.conf
index 4dfbbb9..40cb7c8 100644
--- a/default.conf
+++ b/default.conf
@@ -22,19 +22,21 @@ server {
   
   location /answer/ {
     if ($request_method = OPTIONS) {
-      add_header Access-Control-Allow-Origin $http_origin always;
-      add_header Access-Control-Allow-Credentials true always;
-      add_header Access-Control-Allow-Headers content-type,x-sessionkey always;
-      add_header Access-Control-Expose-Headers x-sessionkey always;
-      add_header Access-Control-Allow-Methods OPTIONS,GET,POST,PATCH,PUT,DELETE;
+    add_header Access-Control-Allow-Origin $http_origin always;
+    add_header Access-Control-Allow-Credentials true always;
+    add_header Access-Control-Allow-Headers content-type,x-sessionkey,device,browser,os,devicetype,response-type always;
+    add_header Access-Control-Expose-Headers x-sessionkey,devicetype always;
+    add_header Access-Control-Allow-Methods OPTIONS,GET,POST,PATCH,PUT,DELETE;
+
       return 200;
     }
 
     add_header Access-Control-Allow-Origin $http_origin always;
     add_header Access-Control-Allow-Credentials true always;
-    add_header Access-Control-Allow-Headers content-type,x-sessionkey always;
-    add_header Access-Control-Expose-Headers x-sessionkey always;
+    add_header Access-Control-Allow-Headers content-type,x-sessionkey,device,browser,os,devicetype,response-type always;
+    add_header Access-Control-Expose-Headers x-sessionkey,devicetype always;
     add_header Access-Control-Allow-Methods OPTIONS,GET,POST,PATCH,PUT,DELETE;
+
     proxy_pass http://10.8.0.9:1490/;
   }