diff --git a/module/webui/scripts/update.js b/module/webui/scripts/update.js
index c18a6bd..18e7afc 100644
--- a/module/webui/scripts/update.js
+++ b/module/webui/scripts/update.js
@@ -89,7 +89,7 @@ function setupUpdateMenu() {
         try {
             showPrompt("prompt.installing");
             setTimeout(async () => {
-                await execCommand(`sh ${basePath}common/get_extra.sh --install-update`);
+                await execCommand(`su -c 'sh ${basePath}common/get_extra.sh --install-update'`);
                 showPrompt("prompt.installed");
                 installButton.style.display = "none";
                 rebootButton.style.display = "flex";