diff --git a/lib/Accessible/AutomatedBehaviorTrait.php b/lib/Accessible/AutomatedBehaviorTrait.php
index 813faf9..b37f13f 100644
--- a/lib/Accessible/AutomatedBehaviorTrait.php
+++ b/lib/Accessible/AutomatedBehaviorTrait.php
@@ -41,7 +41,7 @@ trait AutomatedBehaviorTrait
      *
      * @var boolean
      */
-    private $_constraintsValidationEnabled;
+    private $_constraintsValidationEnabled = null;
 
     /**
      * The initial values of the properties that use Initialize and InitializeObject annotations.
@@ -185,10 +185,13 @@ private function getPropertiesInfo()
             $this->_accessProperties = $classInfo['accessProperties'];
             $this->_collectionsItemNames = $classInfo['collectionsItemNames'];
             $this->_associationsList = $classInfo['associationsList'];
-            $this->_constraintsValidationEnabled = $classInfo['constraintsValidationEnabled'];
             $this->_initialPropertiesValues = $classInfo['initialPropertiesValues'];
             $this->_initializationNeededArguments = $classInfo['initializationNeededArguments'];
 
+            if ($this->_constraintsValidationEnabled === null) {
+                $this->_constraintsValidationEnabled = $classInfo['constraintsValidationEnabled'];
+            }
+
             $this->_automatedBehaviorInitialized = true;
         }
     }