diff --git a/Observer/CustomerData.php b/Observer/CustomerData.php
index 373f4b0..9d3e7ec 100755
--- a/Observer/CustomerData.php
+++ b/Observer/CustomerData.php
@@ -56,9 +56,9 @@ public function execute(\Magento\Framework\Event\Observer $observer)
                 $customer->setRg();
             }
 
-            if(isset($params["cpf"])){
+            if(isset($params["cpf"]) && $params["cpf"]!=""){
                 $document = $params["cpf"];
-            }else if(isset($params["cnpj"])){
+            }else if(isset($params["cnpj"]) && $params["cnpj"]!=""){
                 $document = $params["cnpj"];
             }