diff --git a/src/Webservice/WebService.php b/src/Webservice/WebService.php
index 438d14d..85f4d2f 100644
--- a/src/Webservice/WebService.php
+++ b/src/Webservice/WebService.php
@@ -37,7 +37,10 @@ abstract class WebService
         try {
 
             $result = $this->call($sendSession);
+
+            $data['result'] = array();
             $data["result"][$this->func] = $result;
+
             $data = $this->filterOutput($data);
 
         } catch (WebException $e) {