diff --git a/chrome/content/zotero/overlay.js b/chrome/content/zotero/overlay.js
index e6f9cc944..fc6be008b 100644
--- a/chrome/content/zotero/overlay.js
+++ b/chrome/content/zotero/overlay.js
@@ -1342,6 +1342,7 @@ var ZoteroPane = new function()
 			Zotero.getString('general.actionCannotBeUndone'));
 		if (result) {
 			Zotero.Items.emptyTrash();
+			Zotero.purgeDataObjects(true);
 		}
 	}