diff --git a/chrome/content/zotero/xpcom/data/libraries.js b/chrome/content/zotero/xpcom/data/libraries.js
index a228892de9..cec3e365b6 100644
--- a/chrome/content/zotero/xpcom/data/libraries.js
+++ b/chrome/content/zotero/xpcom/data/libraries.js
@@ -34,6 +34,13 @@ Zotero.Libraries = new function () {
 		}
 	});
 	
+	let _userLibrary;
+	Zotero.defineProperty(this, 'userLibrary', {
+		get: function () {
+			return _userLibrary || (_userLibrary = Zotero.Libraries.get(this.userLibraryID));
+		}
+	})
+	
 	let _publicationsLibraryID;
 	Zotero.defineProperty(this, 'publicationsLibraryID', {
 		get: function() {