diff --git a/chrome/content/zotero/standalone/standalone.js b/chrome/content/zotero/standalone/standalone.js
index 05eb51b45..d801de3f8 100644
--- a/chrome/content/zotero/standalone/standalone.js
+++ b/chrome/content/zotero/standalone/standalone.js
@@ -230,5 +230,10 @@ const gXPInstallObserver = {
 	}
 };
 
+// Used by update prompt
+function openUILinkIn(url) {
+	ZoteroPane.loadURI(url);
+}
+
 window.addEventListener("load", function(e) { ZoteroStandalone.onLoad(e); }, false);
 window.addEventListener("unload", function(e) { ZoteroStandalone.onUnload(e); }, false);
\ No newline at end of file