diff --git a/src/Liip/RMT/Application.php b/src/Liip/RMT/Application.php
index a06a4df..d542f0b 100644
--- a/src/Liip/RMT/Application.php
+++ b/src/Liip/RMT/Application.php
@@ -156,7 +156,7 @@ public function asText($namespace = null, $raw = false)
             if (in_array($name, array('list', 'help'))) {
                 continue;
             }
-            $messages[] = sprintf("  <info>%-${width}s</info> %s", $name, $command->getDescription());
+            $messages[] = sprintf("  <info>%-{$width}s</info> %s", $name, $command->getDescription());
         }
         $messages[] = '';
 
diff --git a/src/Liip/RMT/Config/Handler.php b/src/Liip/RMT/Config/Handler.php
index 83687f6..5b08b0e 100644
--- a/src/Liip/RMT/Config/Handler.php
+++ b/src/Liip/RMT/Config/Handler.php
@@ -16,6 +16,10 @@
  */
 class Handler
 {
+    protected $rawConfig;
+
+    protected $projectRoot;
+
     public function __construct($rawConfig = null, $projectRoot = null)
     {
         $this->rawConfig = $rawConfig;