diff --git a/pymanager/manager.py b/pymanager/manager.py
index 093fbba..435ddfa 100755
--- a/pymanager/manager.py
+++ b/pymanager/manager.py
@@ -179,6 +179,9 @@ class ManageHttpRequest(http.server.SimpleHTTPRequestHandler):
         """ Prepare header """
         self.send_response(200)
         self.send_header('Content-type', 'application/json')
+        self.send_header('Access-Control-Allow-Origin', '*')
+        self.send_header('Access-Control-Allow-Methods', 'GET, POST, OPTIONS')
+        self.send_header("Access-Control-Allow-Headers", "Content-Type, *")
         self.end_headers()
 
     def _extract_input_data(self):
@@ -452,7 +455,7 @@ class ManageHttpRequest(http.server.SimpleHTTPRequestHandler):
         self.send_response(200, "ok")
         self.send_header('Access-Control-Allow-Origin', '*')
         self.send_header('Access-Control-Allow-Methods', 'GET, POST, OPTIONS')
-        self.send_header("Access-Control-Allow-Headers", "*")
+        self.send_header("Access-Control-Allow-Headers", "Content-Type, *")
         self.end_headers()