diff --git a/src/providers/index.js b/src/providers/index.js
index a322d22b..6145d745 100644
--- a/src/providers/index.js
+++ b/src/providers/index.js
@@ -49,7 +49,7 @@ class HttpProvider {
     send(method, params) {
         return this.sendImpl(
             this.host,
-            {id: 1, jsonrpc: "2.0", method: method, params: params}
+            {id: "1", jsonrpc: "2.0", method: method, params: params}
         );
     }