diff --git a/src/Utils/Configuration/Configuration.php b/src/Utils/Configuration/Configuration.php
index a80ba68..5f794d5 100644
--- a/src/Utils/Configuration/Configuration.php
+++ b/src/Utils/Configuration/Configuration.php
@@ -155,7 +155,7 @@ class Configuration {
     {
         foreach ($keys as $k) {
             if (!is_array($data)) {
-                throw new \Exception("Try to access non-array as array, key '$key''");
+                throw new \Exception("Try to access non-array as array, key '$k''");
             }
             if (!isset($data[$k])) {
                 return $default;