diff --git a/server/request_handler.cpp b/server/request_handler.cpp
index d6645f4d8..a7e9d79b7 100644
--- a/server/request_handler.cpp
+++ b/server/request_handler.cpp
@@ -130,7 +130,7 @@ void RequestHandler::handle_request(const http::request &current_request,
 
         current_reply.headers.emplace_back("Access-Control-Allow-Origin", "*");
         current_reply.headers.emplace_back("Access-Control-Allow-Methods", "GET");
-        current_reply.headers.emplace_back("Access-Control-Allow-Headers", "X-Requested-With");
+        current_reply.headers.emplace_back("Access-Control-Allow-Headers", "X-Requested-With, Content-Type");
 
         // set headers
         current_reply.headers.emplace_back("Content-Length",