diff --git a/server.py b/server.py
index d041d41..4186cad 100644
--- a/server.py
+++ b/server.py
@@ -109,5 +109,8 @@ def after_request(response):
     response.headers.add('Access-Control-Allow-Origin', '*')
     response.headers.add('Access-Control-Allow-Headers', 'Content-Type')
     response.headers.add('Access-Control-Allow-Methods', 'GET,POST,OPTIONS')
-    response.headers.add('Access-Control-Allow-Credentials', 'true')
+    response.headers.add("Access-Control-Allow-Headers",
+                         "Access-Control-Allow-Headers, Origin,Accept, X-Requested-With, Content-Type, "
+                         "Access-Control-Request-Method, Access-Control-Request-Headers")
+    # response.headers.add('Access-Control-Allow-Credentials', 'true')
     return response