diff --git a/src/js/helpers.js b/src/js/helpers.js
index 19556e78c..3a09d90c8 100755
--- a/src/js/helpers.js
+++ b/src/js/helpers.js
@@ -368,7 +368,7 @@ export default class Helpers {
       })
     }
 
-    previewData = trimObj(previewData)
+    previewData = trimObj(previewData, true)
 
     previewData.className = _this.classNames(field, previewData)
 
diff --git a/src/js/utils.js b/src/js/utils.js
index 3aac22f2f..1ec54f0fe 100755
--- a/src/js/utils.js
+++ b/src/js/utils.js
@@ -17,8 +17,11 @@ window.fbEditors = {
  * @param  {Object} attrs {attrName: attrValue}
  * @return {Object}       Object trimmed of null or undefined values
  */
-export const trimObj = function(attrs) {
+export const trimObj = function(attrs, removeFalse = false) {
   const xmlRemove = [null, undefined, '']
+  if (removeFalse) {
+    xmlRemove.push(false)
+  }
   for (const attr in attrs) {
     if (xmlRemove.includes(attrs[attr])) {
       delete attrs[attr]