diff --git a/src/Handlers/HMAC/Validator.php b/src/Handlers/HMAC/Validator.php
index 92560cb..b3efd00 100644
--- a/src/Handlers/HMAC/Validator.php
+++ b/src/Handlers/HMAC/Validator.php
@@ -49,7 +49,7 @@ class Validator extends Hmac
     /**
      * @var string
      */
-    protected string $hash;
+    protected string $hash = '';
 
     /**
      * @param Config $config
@@ -102,4 +102,12 @@ public function validateOrFail(string $header, string $uri, string $method, $dat
 
         throw new BuckarooException($this->config->getLogger(), "HMAC validation failed.");
     }
+
+    /**
+     * @return string
+     */
+    public function getHash(): string
+    {
+        return $this->hash;
+    }
 }