diff --git a/chrome/content/zotero/xpcom/collectionTreeRow.js b/chrome/content/zotero/xpcom/collectionTreeRow.js
index 3ee287a0b1..a5a65929ad 100644
--- a/chrome/content/zotero/xpcom/collectionTreeRow.js
+++ b/chrome/content/zotero/xpcom/collectionTreeRow.js
@@ -355,6 +355,10 @@ Zotero.CollectionTreeRow.prototype.getSearchObject = Zotero.Promise.coroutine(fu
 	if (this.isTrash()) {
 		s2.addCondition('deleted', 'true');
 	}
+	// Don't search child items in "Title, Creator, Year" mode
+	if (Zotero.Prefs.get('search.quicksearch-mode') == 'titleCreatorYear') {
+		includeScopeChildren = false;
+	}
 	s2.setScope(s, includeScopeChildren);
 	
 	if (this.searchText) {