diff --git a/src/LaravelDebugbar.php b/src/LaravelDebugbar.php
index 54830d80..cfcfc091 100644
--- a/src/LaravelDebugbar.php
+++ b/src/LaravelDebugbar.php
@@ -721,7 +721,7 @@ protected function addCollectorException(string $message, Exception $exception)
         $this->addThrowable(
             new Exception(
                 $message . ' on Laravel Debugbar: ' . $exception->getMessage(),
-                $exception->getCode(),
+                (int) $exception->getCode(),
                 $exception
             )
         );