diff --git a/SoftLayer/SoapClient.class.php b/SoftLayer/SoapClient.class.php
index 63ad74b..d052371 100644
--- a/SoftLayer/SoapClient.class.php
+++ b/SoftLayer/SoapClient.class.php
@@ -265,7 +265,7 @@ public static function getClient($serviceName, $id = null, $username = null, $ap
             $soapClient->setAuthentication(self::API_USER, self::API_KEY);
         }
 
-        if ($id != null) {
+        if ($id !== null) {
             $soapClient->setInitParameter($id);
         }