diff --git a/src/utils/proxy/handlers/jsonrpc.js b/src/utils/proxy/handlers/jsonrpc.js
index c202f7061..a7135bd96 100644
--- a/src/utils/proxy/handlers/jsonrpc.js
+++ b/src/utils/proxy/handlers/jsonrpc.js
@@ -10,8 +10,8 @@ const logger = createLogger("jsonrpcProxyHandler");
 
 export async function sendJsonRpcRequest(url, method, params, widget) {
   const headers = {
-    Accept: "application/json-rpc",
-    "Content-Type": "application/json-rpc",
+    "content-type": "application/json",
+    accept: "application/json",
   };
 
   if (widget.username && widget.password) {