diff --git a/index.html b/index.html
index 6d27af1..70f788d 100644
--- a/index.html
+++ b/index.html
@@ -7,7 +7,6 @@
 <script type="text/javascript" src="qt.js"></script>
 <script type="text/javascript" src="http.js"></script>
 <script type="text/javascript">
-web3.setProvider(new web3.providers.HttpProvider('http://localhost:8080'));
 function registerName() {
     var name = document.querySelector("#name").value;
     name = web3.fromAscii(name);
diff --git a/main.js b/main.js
index 1a5afeb..25a883b 100644
--- a/main.js
+++ b/main.js
@@ -391,6 +391,7 @@
         if(this.provider !== undefined) {
             this.provider.send(data);
         } else {
+            console.warn("provider is not set");
             this.queued.push(data);
         }
     };