diff --git a/lib/web/note/controller.js b/lib/web/note/controller.js
index 9b943c57..6626782e 100644
--- a/lib/web/note/controller.js
+++ b/lib/web/note/controller.js
@@ -85,7 +85,7 @@ exports.createFromPOST = function (req, res, next) {
   let body = ''
   if (req.body && req.body.length > config.documentMaxLength) {
     return errors.errorTooLong(res)
-  } else if (req.body) {
+  } else if (typeof req.body === 'string') {
     body = req.body
   }
   body = body.replace(/[\r]/g, '')