diff --git a/chrome/content/zotero/components/virtualized-table.jsx b/chrome/content/zotero/components/virtualized-table.jsx
index ec60cf267c..84c9334f03 100644
--- a/chrome/content/zotero/components/virtualized-table.jsx
+++ b/chrome/content/zotero/components/virtualized-table.jsx
@@ -1269,7 +1269,6 @@ var Columns = class {
 		}
 	}
 
-
 	setOrder = (index, insertBefore) => {
 		const column = this._columns[index];
 		if (column.ordinal == insertBefore) return;
@@ -1288,6 +1287,18 @@ var Columns = class {
 		this._storePrefs(prefs);
 		this._updateVirtualizedTable();
 	}
+	
+	restoreDefaultOrder = () => {
+		let prefs = this._getPrefs();
+		for (const column of this._columns) {
+			column.ordinal = this._virtualizedTable.props.columns.findIndex(
+				col => col.dataKey == column.dataKey);
+			prefs[column.dataKey].ordinal = column.ordinal;
+		}
+		this._columns.sort((a, b) => a.ordinal - b.ordinal);
+		this._storePrefs(prefs);
+		this._updateVirtualizedTable();
+	}
 
 	toggleHidden(index) {
 		const column = this._columns[index];
diff --git a/chrome/content/zotero/itemTree.jsx b/chrome/content/zotero/itemTree.jsx
index 4247ff7202..29a9e7c70b 100644
--- a/chrome/content/zotero/itemTree.jsx
+++ b/chrome/content/zotero/itemTree.jsx
@@ -3275,11 +3275,17 @@ var ItemTree = class ItemTree extends LibraryTree {
 		}
 		
 		let sep = doc.createElementNS(ns, 'menuseparator');
-		sep.setAttribute('anonid', prefix + 'sep');
+		// sep.setAttribute('anonid', prefix + 'sep');
 		menupopup.appendChild(sep);
 		
-		// TODO: RESTORE DEFAULT ORDER option
 		//
+		// Restore Default Column Order
+		//
+		let menuitem = doc.createElementNS(ns, 'menuitem');
+		menuitem.setAttribute('label', Zotero.Intl.strings['zotero.items.restoreColumnOrder.label']);
+		menuitem.setAttribute('anonid', prefix + 'restore-order');
+		menuitem.addEventListener('command', () => this.tree._columns.restoreDefaultOrder());
+		menupopup.appendChild(menuitem);
 		
 		document.children[0].appendChild(menupopup);
 		menupopup.openPopup(null, null, event.clientX + 2, event.clientY + 2);