diff --git a/src/HMacValidator.php b/src/HMacValidator.php
index 7851be4..ce3c297 100644
--- a/src/HMacValidator.php
+++ b/src/HMacValidator.php
@@ -27,7 +27,7 @@ protected function prepareParams(array $params)
     protected function validate(array $params, $hmac): bool
     {
         $paramString = http_build_query($params);
-        $hash = hash_hmac('sha256', $paramString, config('nonce.secret'));
+        $hash = hash_hmac('sha256', $paramString, config('validator.secret'));
         return hash_equals($hmac, $hash);
 
     }
diff --git a/src/NonceGenerator.php b/src/NonceGenerator.php
index aa935e4..ad14ae7 100644
--- a/src/NonceGenerator.php
+++ b/src/NonceGenerator.php
@@ -16,12 +16,16 @@ public function generate(Model $content): string
     public function store(Model $content, string $nonce): void
     {
         $content->update([
-            config('nonce.key') => $nonce,
+            config('validator.key') => $nonce,
         ]);
     }
 
     public function matches(Model $content, string $nonce): bool
     {
-        return $nonce && data_get($content, $nonce) === $nonce;
+        $stored = data_get($content, config('validator.key'));
+        if(!$stored) {
+            throw new KeyNotFoundException();
+        }
+        return $nonce && $stored === $nonce;
     }
 }
\ No newline at end of file