diff --git a/src/ApiConnector.php b/src/ApiConnector.php
index 0d0f412..b720a6d 100644
--- a/src/ApiConnector.php
+++ b/src/ApiConnector.php
@@ -112,13 +112,13 @@ public static function writeObject(Entity $object)
         if ($object->getId()) {
             // Update request
             $response = self::callServer($object->getRelativeUrl() . '/' . $object->getId(), $data, 'put');
-            if ($response === false) {
+            if (!$response) {
                 return false;
             }
         } else {
             // Create request
             $response = self::callServer($object->getRelativeUrl(), $data, 'post');
-            if ($response === false) {
+            if (!$response) {
                 return false;
             }
             $object->__fromJson($response->getBody(true));