diff --git a/lib/storage-service.js b/lib/storage-service.js
index 834639d..021e16a 100644
--- a/lib/storage-service.js
+++ b/lib/storage-service.js
@@ -49,6 +49,9 @@ function StorageService(options) {
   if (options.nameConflict) {
     this.nameConflict = options.nameConflict;
   }
+  if (options.maxFieldsSize) {
+    this.maxFieldsSize = options.maxFieldsSize;
+  }
 }
 
 function map(obj) {
@@ -247,6 +250,9 @@ StorageService.prototype.upload = function(req, res, options, cb) {
   if (this.nameConflict && !options.nameConflict) {
     options.nameConflict = this.nameConflict;
   }
+  if (this.maxFieldsSize && !options.maxFieldsSize) {
+    options.maxFieldsSize = this.maxFieldsSize;
+  }
   return handler.upload(this.client, req, res, options, cb);
 };