diff --git a/src/api/transports/http.js b/src/api/transports/http.js
index 59099dd11337f44ba08a4d9727f96a2fa6590add..24e2e9ae1abfd1e86aa93c6cae281cd1bd307208 100644
--- a/src/api/transports/http.js
+++ b/src/api/transports/http.js
@@ -11,7 +11,7 @@ export default class HttpTransport extends Transport {
     const id = data.id || this.id++;
     const payload = {
       id,
-      "json-rpc": '2.0',
+      "jsonrpc": '2.0',
       method: data.method,
       params: data.params,
     };