diff --git a/client/js/options.js b/client/js/options.js
index 4e0d83a6..20f94289 100644
--- a/client/js/options.js
+++ b/client/js/options.js
@@ -25,14 +25,16 @@ const options = {
 	thumbnails: true,
 	userStyles: userStyles.text(),
 };
-const userOptions = JSON.parse(storage.get("settings")) || {};
+let userOptions = JSON.parse(storage.get("settings")) || {};
 
 for (const key in options) {
-	if (userOptions[key]) {
+	if (userOptions[key] !== undefined) {
 		options[key] = userOptions[key];
 	}
 }
 
+userOptions = null;
+
 module.exports = options;
 
 module.exports.shouldOpenMessagePreview = function(type) {