diff --git a/src/ValidationChain.php b/src/ValidationChain.php
index 75e74a6..610459b 100644
--- a/src/ValidationChain.php
+++ b/src/ValidationChain.php
@@ -216,7 +216,7 @@ class ValidationChain
     private array $error = [];
     private array $errorArgs = [];
 
-    /**
+	/**
      * Constructor for the ValidationChain class.
      *
      * @param mixed $value The initial value to be validated.
@@ -440,4 +440,5 @@ public function validate(?string $description = null): void
     {
         $this->describe($description);
     }
+
 }
diff --git a/src/Validator.php b/src/Validator.php
index 48045b3..cb9affa 100755
--- a/src/Validator.php
+++ b/src/Validator.php
@@ -567,6 +567,9 @@ public function isResource(): bool
      */
     public function isJson(): bool
     {
+		if(!is_string($this->value) && !is_numeric($this->value)) {
+			return false;
+		}
         json_decode($this->value);
         return json_last_error() === JSON_ERROR_NONE;
     }