diff --git a/src/Illuminate/Console/Events/CommandFinished.php b/src/Illuminate/Console/Events/CommandFinished.php
index bfb090918649..38effb9e06ac 100644
--- a/src/Illuminate/Console/Events/CommandFinished.php
+++ b/src/Illuminate/Console/Events/CommandFinished.php
@@ -17,14 +17,14 @@ class CommandFinished
     /**
      * The console input.
      *
-     * @var \Symfony\Component\Console\Input\InputInterface
+     * @var \Symfony\Component\Console\Input\InputInterface|null
      */
     public $input;
 
     /**
      * The command output.
      *
-     * @var \Symfony\Component\Console\Output\OutputInterface
+     * @var \Symfony\Component\Console\Output\OutputInterface|null
      */
     protected $output;
 
diff --git a/src/Illuminate/Console/Events/CommandStarting.php b/src/Illuminate/Console/Events/CommandStarting.php
index d3fc3d956428..e6b590b9a604 100644
--- a/src/Illuminate/Console/Events/CommandStarting.php
+++ b/src/Illuminate/Console/Events/CommandStarting.php
@@ -17,14 +17,14 @@ class CommandStarting
     /**
      * The console input.
      *
-     * @var \Symfony\Component\Console\Input\InputInterface
+     * @var \Symfony\Component\Console\Input\InputInterface|null
      */
     public $input;
 
     /**
      * The command output.
      *
-     * @var \Symfony\Component\Console\Output\OutputInterface
+     * @var \Symfony\Component\Console\Output\OutputInterface|null
      */
     protected $output;