diff --git a/src/Attributes/DataBindings/Json/JsonArray.php b/src/Attributes/DataBindings/Json/JsonArray.php
index 4d42ee0..6891f2e 100644
--- a/src/Attributes/DataBindings/Json/JsonArray.php
+++ b/src/Attributes/DataBindings/Json/JsonArray.php
@@ -32,7 +32,7 @@ public function buildProperty(object $instance, ReflectionProperty $property, mi
     {
         $key = (empty($this->alias)) ? $property->getName() : $this->alias;
 
-        if ($this->required && empty($jsonValue->{$key})) {
+        if ($this->required && !isset($jsonValue->{$key})) {
             $className = get_class($instance);
             throw new InvalidParameterTypeException(
                 "JS001",
diff --git a/src/Attributes/DataBindings/Json/JsonProperty.php b/src/Attributes/DataBindings/Json/JsonProperty.php
index 3e83616..abb7eaf 100644
--- a/src/Attributes/DataBindings/Json/JsonProperty.php
+++ b/src/Attributes/DataBindings/Json/JsonProperty.php
@@ -30,7 +30,7 @@ public function buildProperty(object $instance, ReflectionProperty $property, mi
     {
         $key = (empty($this->alias)) ? $property->getName() : $this->alias;
 
-        if ($this->required && empty($jsonValue->{$key})) {
+        if ($this->required && !isset($jsonValue->{$key})) {
             $className = get_class($instance);
             throw new InvalidParameterTypeException(
                 "JS001",