diff --git a/src/js/config.js b/src/js/config.js
index 3771e0123..0d9993a54 100644
--- a/src/js/config.js
+++ b/src/js/config.js
@@ -1362,8 +1362,8 @@ export function setCustomBackground(value, nosave) {
     value == ""
   ) {
     config.customBackground = value;
-    CommandlineLists.defaultCommands.list.filter( (command) => 
-      command.id == "changeCustomBackground"
+    CommandlineLists.defaultCommands.list.filter(
+      (command) => command.id == "changeCustomBackground"
     )[0].defaultValue = value;
     ThemeController.applyCustomBackground();
     if (!nosave) saveToCookie();
@@ -1671,6 +1671,10 @@ export function loadFromCookie() {
   loadDone();
 }
 
+export function setConfig(newConfig) {
+  config = newConfig;
+}
+
 export let loadPromise = new Promise((v) => {
   loadDone = v;
 });