diff --git a/src/Brokerage/Address.php b/src/Brokerage/Address.php
index <HASH>..<HASH> 100644
--- a/src/Brokerage/Address.php
+++ b/src/Brokerage/Address.php
@@ -138,7 +138,7 @@ class Address extends \CFX\JsonApi\AbstractResource implements AddressInterface 
 
     protected function serializeAttribute($name)
     {
-        if ($name === 'meta') {
+        if ($name === 'meta' && $this->attributes[$name] !== null) {
             return json_encode($this->attributes[$name]);
         }
         return parent::serializeAttribute($name);
Fixed minor bug in address meta data serialization