diff --git a/chrome/content/zotero/itemPane.js b/chrome/content/zotero/itemPane.js
index e33a97f1b2..eb7a599b5f 100644
--- a/chrome/content/zotero/itemPane.js
+++ b/chrome/content/zotero/itemPane.js
@@ -291,13 +291,13 @@ var ZoteroItemPane = new function() {
 			+ (Zotero.isMac ? '⇧⌘' : Zotero.getString('general.keys.ctrlShift'))
 			+ key + ')';
 		elem.setAttribute('tooltiptext', tooltip);
-		elem.setAttribute('image', _translationTarget.collectionTreeViewImage);
+		elem.setAttribute('image', _translationTarget.treeViewImage);
 	};
 	
 
 	this.setTranslationTarget = function(translationTarget) {
 		_translationTarget = translationTarget;
-		Zotero.Prefs.set('feeds.lastTranslationTarget', translationTarget.collectionTreeViewID);
+		Zotero.Prefs.set('feeds.lastTranslationTarget', translationTarget.treeViewID);
 		ZoteroItemPane.setTranslateButton();
 	};
 	
diff --git a/chrome/content/zotero/xpcom/data/collection.js b/chrome/content/zotero/xpcom/data/collection.js
index 1e53b1a2ba..04fefe09a5 100644
--- a/chrome/content/zotero/xpcom/data/collection.js
+++ b/chrome/content/zotero/xpcom/data/collection.js
@@ -83,13 +83,13 @@ Zotero.defineProperty(Zotero.Collection.prototype, 'parent', {
 	}
 });
 
-Zotero.defineProperty(Zotero.Collection.prototype, 'collectionTreeViewID', {
+Zotero.defineProperty(Zotero.Collection.prototype, 'treeViewID', {
 	get: function () {
 		return "C" + this.id
 	}
 });
 
-Zotero.defineProperty(Zotero.Collection.prototype, 'collectionTreeViewImage', {
+Zotero.defineProperty(Zotero.Collection.prototype, 'treeViewImage', {
 	get: function () {
 		return "chrome://zotero/skin/treesource-collection" + Zotero.hiDPISuffix + ".png";
 	}
diff --git a/chrome/content/zotero/xpcom/data/item.js b/chrome/content/zotero/xpcom/data/item.js
index 9d464c43e1..9164ebbb2c 100644
--- a/chrome/content/zotero/xpcom/data/item.js
+++ b/chrome/content/zotero/xpcom/data/item.js
@@ -162,6 +162,12 @@ Zotero.defineProperty(Zotero.Item.prototype, 'relatedItems', {
 	get: function() this._getRelatedItems()
 });
 
+Zotero.defineProperty(Zotero.Item.prototype, 'treeViewID', {
+	get: function () {
+		return this.id
+	}
+});
+
 Zotero.Item.prototype.getID = function() {
 	Zotero.debug('Item.getID() is deprecated -- use Item.id');
 	return this._id;
diff --git a/chrome/content/zotero/xpcom/data/library.js b/chrome/content/zotero/xpcom/data/library.js
index 42136fc703..12102efd42 100644
--- a/chrome/content/zotero/xpcom/data/library.js
+++ b/chrome/content/zotero/xpcom/data/library.js
@@ -177,13 +177,13 @@ Zotero.defineProperty(Zotero.Library.prototype, 'name', {
 	}
 });
 
-Zotero.defineProperty(Zotero.Library.prototype, 'collectionTreeViewID', {
+Zotero.defineProperty(Zotero.Library.prototype, 'treeViewID', {
 	get: function () {
 		return "L" + this._libraryID
 	}
 });
 
-Zotero.defineProperty(Zotero.Library.prototype, 'collectionTreeViewImage', {
+Zotero.defineProperty(Zotero.Library.prototype, 'treeViewImage', {
 	get: function () {
 		return "chrome://zotero/skin/treesource-library" + Zotero.hiDPISuffix + ".png";
 	}
diff --git a/chrome/content/zotero/xpcom/utilities_internal.js b/chrome/content/zotero/xpcom/utilities_internal.js
index e0ccde01fd..cc3fc7184e 100644
--- a/chrome/content/zotero/xpcom/utilities_internal.js
+++ b/chrome/content/zotero/xpcom/utilities_internal.js
@@ -961,13 +961,13 @@ Zotero.Utilities.Internal = {
 			return menu;
 		}
 		
-		var imageSrc = libraryOrCollection.collectionTreeViewImage;
+		var imageSrc = libraryOrCollection.treeViewImage;
 		
 		// Create menuitem for library or collection itself, to be placed either directly in the
 		// containing menu or as the top item in a submenu
 		var menuitem = _createMenuitem(
 			libraryOrCollection.name, 
-			libraryOrCollection.collectionTreeViewID,
+			libraryOrCollection.treeViewID,
 			imageSrc,
 			function (event) {
 				clickAction(event, libraryOrCollection);
@@ -990,7 +990,7 @@ Zotero.Utilities.Internal = {
 		// Otherwise create a submenu for the target's subcollections
 		var menu = _createMenu(
 			libraryOrCollection.name,
-			libraryOrCollection.collectionTreeViewID,
+			libraryOrCollection.treeViewID,
 			imageSrc,
 			function (event) {
 				clickAction(event, libraryOrCollection);
diff --git a/test/tests/browserTest.js b/test/tests/browserTest.js
index 8aadad95ce..183ba5dccd 100644
--- a/test/tests/browserTest.js
+++ b/test/tests/browserTest.js
@@ -51,7 +51,7 @@ describe("Zotero_Browser", function () {
 	});
 	
 	it("should save journal article to My Library if the Zotero pane hasn't been opened yet in a Firefox window", function* () {
-		Zotero.Prefs.set('lastViewedFolder', collection.collectionTreeViewID);
+		Zotero.Prefs.set('lastViewedFolder', collection.treeViewID);
 		
 		var win = yield loadBrowserWindow();
 		
diff --git a/test/tests/collectionTreeViewTest.js b/test/tests/collectionTreeViewTest.js
index 54da165b63..a955d560a0 100644
--- a/test/tests/collectionTreeViewTest.js
+++ b/test/tests/collectionTreeViewTest.js
@@ -90,29 +90,29 @@ describe("Zotero.CollectionTreeView", function() {
 		
 		it("should open a library and respect stored container state", function* () {
 			// Collapse B
-			yield cv.toggleOpenState(cv.getRowIndexByID(col2.collectionTreeViewID));
+			yield cv.toggleOpenState(cv.getRowIndexByID(col2.treeViewID));
 			yield cv._rememberOpenStates();
 			
 			// Close and reopen library
 			yield cv.toggleOpenState(libraryRow);
 			yield cv.expandLibrary(userLibraryID);
 			
-			assert.ok(cv.getRowIndexByID(col1.collectionTreeViewID))
-			assert.ok(cv.getRowIndexByID(col2.collectionTreeViewID))
-			assert.isFalse(cv.getRowIndexByID(col3.collectionTreeViewID))
+			assert.ok(cv.getRowIndexByID(col1.treeViewID))
+			assert.ok(cv.getRowIndexByID(col2.treeViewID))
+			assert.isFalse(cv.getRowIndexByID(col3.treeViewID))
 		});
 		
 		it("should open a library and all subcollections in recursive mode", function* () {
-			yield cv.toggleOpenState(cv.getRowIndexByID(col2.collectionTreeViewID));
+			yield cv.toggleOpenState(cv.getRowIndexByID(col2.treeViewID));
 			yield cv._rememberOpenStates();
 			
 			// Close and reopen library
 			yield cv.toggleOpenState(libraryRow);
 			yield cv.expandLibrary(userLibraryID, true);
 			
-			assert.ok(cv.getRowIndexByID(col1.collectionTreeViewID))
-			assert.ok(cv.getRowIndexByID(col2.collectionTreeViewID))
-			assert.ok(cv.getRowIndexByID(col3.collectionTreeViewID))
+			assert.ok(cv.getRowIndexByID(col1.treeViewID))
+			assert.ok(cv.getRowIndexByID(col2.treeViewID))
+			assert.ok(cv.getRowIndexByID(col3.treeViewID))
 		});
 	});