diff --git a/webthreestubclient.h b/webthreestubclient.h
index 454162e78..7f47fe785 100644
--- a/webthreestubclient.h
+++ b/webthreestubclient.h
@@ -198,10 +198,11 @@ class WebThreeStubClient : public jsonrpc::Client
             else
                 throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
         }
-        std::string eth_call(const Json::Value& param1) throw (jsonrpc::JsonRpcException)
+        std::string eth_call(const Json::Value& param1, const std::string& param2) throw (jsonrpc::JsonRpcException)
         {
             Json::Value p;
             p.append(param1);
+            p.append(param2);
             Json::Value result = this->CallMethod("eth_call",p);
             if (result.isString())
                 return result.asString();