diff --git a/src/engine/Types/Int.php b/src/engine/Types/Int.php
index b3bf8557..1b018b86 100644
--- a/src/engine/Types/Int.php
+++ b/src/engine/Types/Int.php
@@ -11,8 +11,12 @@
  * @since       v1.2.0
  * ---------------------------------------------------------------------------- */
 
-namespace \EA\Engine\Types; 
+namespace EA\Engine\Types; 
 
 class Int extends Type {
-
+    protected function _validate() {
+        if (!is_numeric($this->value) && (int)$this->value !== (float)$this->value) {
+            throw new \InvalidArgumentException('Invalid type value provided (expected int): ' . $this->value); 
+        }
+    }
 }
diff --git a/src/engine/Types/Type.php b/src/engine/Types/Type.php
index 343857ca..71f24276 100644
--- a/src/engine/Types/Type.php
+++ b/src/engine/Types/Type.php
@@ -11,7 +11,7 @@
  * @since       v1.2.0
  * ---------------------------------------------------------------------------- */
 
-namespace \EA\Engine\Types; 
+namespace EA\Engine\Types; 
 
 /**
  * Abstract Type Class 
@@ -25,8 +25,8 @@ abstract class Type {
      * @param mixed $value The type value to be validated.
      */
     public function __construct($value) {
-        $this->_validate($value);
         $this->value = $value; 
+        $this->_validate($value);
     }
 
     /**
diff --git a/test/php/engine/Types/IntTest.php b/test/php/engine/Types/IntTest.php
new file mode 100644
index 00000000..f0a53d43
--- /dev/null
+++ b/test/php/engine/Types/IntTest.php
@@ -0,0 +1,26 @@
+<?php 
+
+/* ----------------------------------------------------------------------------
+ * Easy!Appointments - Open Source Web Scheduler
+ *
+ * @package     EasyAppointments
+ * @author      A.Tselegidis <alextselegidis@gmail.com>
+ * @copyright   Copyright (c) 2013 - 2016, Alex Tselegidis
+ * @license     http://opensource.org/licenses/GPL-3.0 - GPLv3
+ * @link        http://easyappointments.org
+ * @since       v1.2.0
+ * ---------------------------------------------------------------------------- */
+
+namespace EA\Engine\Types; 
+
+class AuthorizationTest extends \PHPUnit_Framework_TestCase {
+    public function testIntType() {
+        $type = new Int(1); 
+        $this->assertEquals(1, $type->get()); 
+    } 
+
+    public function testIntTypeThrowsExceptionWithInvalidValue() {
+        $this->setExpectedException('\InvalidArgumentException');
+        new Int('invalid');
+    }
+}