diff --git a/server/libs/Controller.php b/server/libs/Controller.php
index a3472bfa..f634c1ba 100755
--- a/server/libs/Controller.php
+++ b/server/libs/Controller.php
@@ -19,7 +19,7 @@ abstract class Controller {
                 $this->validate();
                 $this->handler();
             } catch (\Exception $exception) {
-                Response::respondError($exception->getMessage());
+                Response::respondError($exception->getMessage(), $exception);
                 return;
             }
         };
diff --git a/server/libs/RequestException.php b/server/libs/RequestException.php
index 540eae80..b454478e 100644
--- a/server/libs/RequestException.php
+++ b/server/libs/RequestException.php
@@ -1,2 +1,2 @@
-<?php 
+<?php
 class RequestException extends Exception {}
diff --git a/server/models/Response.php b/server/models/Response.php
index 077cac89..9015c07c 100755
--- a/server/models/Response.php
+++ b/server/models/Response.php
@@ -1,28 +1,31 @@
 <?php
 class Response {
+    private static $response;
+    private static $responseException;
 
-    public static function respondError($errorMsg, $data = null) {
-        $response = array(
+    public static function respondError($errorMsg, $exception = null) {
+        self::$response = array(
             'status' => 'fail',
             'message' => $errorMsg,
-            'data' => $data
+            'data' => null
         );
+        self::$responseException = $exception;
 
         $app = \Slim\Slim::getInstance();
         $app->response->headers->set('Content-Type', 'application/json');
-        $app->response->setBody(json_encode($response));
+        $app->response->setBody(json_encode(self::$response));
         $app->response->finalize();
     }
 
     public static function respondSuccess($data = null) {
-        $response = array(
+        self::$response = array(
             'status' => 'success',
             'data' => $data
         );
 
         $app = \Slim\Slim::getInstance();
         $app->response->headers->set('Content-Type', 'application/json');
-        $app->response->setBody(json_encode($response));
+        $app->response->setBody(json_encode(self::$response));
         $app->response->finalize();
     }
 
diff --git a/server/tests/models/ResponseTest.php b/server/tests/models/ResponseTest.php
index 89888e78..2ff1c31b 100755
--- a/server/tests/models/ResponseTest.php
+++ b/server/tests/models/ResponseTest.php
@@ -8,17 +8,17 @@ class ResponseTest extends TestCase {
     public function testErrorResponseFormat() {
         //Mock data
         $mockErrorValue = 'MOCK_ERROR_VALUE';
-        $mockData = array('example' => true);
+        $mockException = array('example' => true);
         $expectedArgument = json_encode(array(
             'status' => 'fail',
             'message' => $mockErrorValue,
-            'data' => $mockData
+            'data' => null
         ));
         $responseInstance = \Slim\Slim::getInstance();
         $responseInstance = $responseInstance->response;
 
         //Execute Response
-        Response::respondError($mockErrorValue, $mockData);
+        Response::respondError($mockErrorValue, $mockException);
 
         //Should have been called with expected format
         $this->assertTrue($responseInstance->setBody->hasBeenCalledWithArgs($expectedArgument));