diff --git a/chrome/content/zotero/standalone/standalone.js b/chrome/content/zotero/standalone/standalone.js
index cba105a63a..0b1c6b5e6b 100644
--- a/chrome/content/zotero/standalone/standalone.js
+++ b/chrome/content/zotero/standalone/standalone.js
@@ -144,6 +144,7 @@ const ZoteroStandalone = new function() {
 	 * Called before standalone window is closed
 	 */
 	this.onUnload = function() {
+		ZoteroPane.destroy();
 		goQuitApplication();
 	}
 }