diff --git a/src/Schema.php b/src/Schema.php
index 7fa0591..ac0404c 100644
--- a/src/Schema.php
+++ b/src/Schema.php
@@ -196,6 +196,7 @@ private function messages(): array
      */
     private function processRules(string $key, array $rules, array $insert): array
     {
+        $message = null;
         $status = true;
 
         if (!isset($insert[$key])) {