diff --git a/MangoPay/Libraries/RestTool.php b/MangoPay/Libraries/RestTool.php
index a0495915..dd598d56 100644
--- a/MangoPay/Libraries/RestTool.php
+++ b/MangoPay/Libraries/RestTool.php
@@ -384,8 +384,8 @@ private function CheckResponseCode($responseCode, $response)
             $error->Errors = $response->errors;
         }
 
-        if (is_array($error->Errors)) {
-            foreach ($error->Errors as $key => $val) {
+        if (is_array($error->Errors) || is_object($error->Errors)) {
+            foreach ((array)$error->Errors as $key => $val) {
                 $error->Message .= sprintf(' %s error: %s', $key, $val);
             }
         }