diff --git a/api/app/Exceptions/BadRequestException.php b/api/app/Exceptions/BadRequestException.php
index 5c094d56..b13f9de7 100644
--- a/api/app/Exceptions/BadRequestException.php
+++ b/api/app/Exceptions/BadRequestException.php
@@ -1,5 +1,6 @@
 <?php namespace App\Exceptions;
 
+use Exception;
 use Symfony\Component\HttpKernel\Exception\HttpException;
 
 class BadRequestException extends HttpException
@@ -8,10 +9,12 @@ class BadRequestException extends HttpException
      * Create a new Bad Request exception instance.
      *
      * @param  string  $message
+     * @param  int  $code
+     * @param  \Exception $previous
      * @return void
      */
-    public function __construct($message = 'Bad Request.')
+    public function __construct($message = 'Bad Request.', $code = 0, Exception $previous = null)
     {
-        parent::__construct(400, $message);
+        parent::__construct(400, $message, $previous);
     }
 }
diff --git a/api/app/Exceptions/UnauthorizedException.php b/api/app/Exceptions/UnauthorizedException.php
index 2ee67727..5310ac90 100644
--- a/api/app/Exceptions/UnauthorizedException.php
+++ b/api/app/Exceptions/UnauthorizedException.php
@@ -1,5 +1,6 @@
 <?php namespace App\Exceptions;
 
+use Exception;
 use Symfony\Component\HttpKernel\Exception\HttpException;
 
 class UnauthorizedException extends HttpException
@@ -8,10 +9,12 @@ class UnauthorizedException extends HttpException
      * Create a new Unauthorized exception instance.
      *
      * @param  string  $message
+     * @param  int  $code
+     * @param  \Exception $previous
      * @return void
      */
-    public function __construct($message = 'Unauthorized.')
+    public function __construct($message = 'Unauthorized.', $code = 0, Exception $previous = null)
     {
-        parent::__construct(401, $message);
+        parent::__construct(401, $message, $previous);
     }
 }
diff --git a/api/app/Exceptions/UnprocessableEntityException.php b/api/app/Exceptions/UnprocessableEntityException.php
index 20cb0af1..ecd151cf 100644
--- a/api/app/Exceptions/UnprocessableEntityException.php
+++ b/api/app/Exceptions/UnprocessableEntityException.php
@@ -9,10 +9,11 @@ class UnprocessableEntityException extends HttpException
      * Create a new Unprocessable Entity exception instance.
      *
      * @param  string  $message
+     * @param  int  $code
      * @param  \Exception $previous
      * @return void
      */
-    public function __construct($message = 'Unprocessable Entity.', Exception $previous = null)
+    public function __construct($message = 'Unprocessable Entity.', $code = 0, Exception $previous = null)
     {
         parent::__construct(422, $message, $previous);
     }
diff --git a/api/app/Http/Controllers/AuthController.php b/api/app/Http/Controllers/AuthController.php
index 08cfec8a..d578f067 100644
--- a/api/app/Http/Controllers/AuthController.php
+++ b/api/app/Http/Controllers/AuthController.php
@@ -72,7 +72,7 @@ public function refresh(Request $request)
             $user = $this->jwtAuth->authenticate((string) $token);
         }
         catch (TokenExpiredException $e) {
-            throw new UnauthorizedException('Token expired.');
+            throw new UnauthorizedException('Token expired.', 401, $e);
         }
         catch (JWTException $e) {
             throw new UnprocessableEntityException($e->getMessage(), $e);