diff --git a/chrome/content/zotero/xpcom/itemTreeView.js b/chrome/content/zotero/xpcom/itemTreeView.js
index d8d12c7c13..56c9e1c2b0 100644
--- a/chrome/content/zotero/xpcom/itemTreeView.js
+++ b/chrome/content/zotero/xpcom/itemTreeView.js
@@ -1892,9 +1892,17 @@ Zotero.ItemTreeView.prototype.selectItems = async function (ids, noRecurse) {
 	var rowsToSelect = [];
 	for (let id of idsToSelect) {
 		let row = this._rowMap[id];
+		if (!row) {
+			Zotero.debug(`Item ${id} not in row map -- skipping`);
+			continue;
+		}
 		rowsToSelect.push(row);
 	}
 	
+	if (!rowsToSelect.length) {
+		return 0;
+	}
+	
 	// If items are already selected, just scroll to the top-most one
 	var selectedRows = new Set(this.getSelectedRowIndexes());
 	if (rowsToSelect.length == selectedRows.size && rowsToSelect.every(row => selectedRows.has(row))) {