diff --git a/chrome/content/zotero/itemPane.js b/chrome/content/zotero/itemPane.js
index 2e7d602240..c055081a65 100644
--- a/chrome/content/zotero/itemPane.js
+++ b/chrome/content/zotero/itemPane.js
@@ -224,15 +224,25 @@ var ZoteroItemPane = new function() {
 			menu.removeChild(menu.firstChild);
 		}
 		
+		let target = Zotero.Prefs.get('feeds.lastTranslationTarget');
+		if (!target) {
+			target = "L" + Zotero.Libraries.userLibraryID;
+		}
+		
 		var libraries = Zotero.Libraries.getAll();
 		for (let library of libraries) {
 			if (!library.editable || library.libraryType == 'publications') {
 				continue;
 			}
-			Zotero.Utilities.Internal.createMenuForTarget(library, menu, function(event, libraryOrCollection) {
-				ZoteroItemPane.setTranslationTarget(libraryOrCollection);
-				event.stopPropagation();
-			});
+			Zotero.Utilities.Internal.createMenuForTarget(
+				library,
+				menu,
+				target,
+				function(event, libraryOrCollection) {
+					ZoteroItemPane.setTranslationTarget(libraryOrCollection);
+					event.stopPropagation();
+				}
+			);
 		}
 	};
 	
@@ -249,20 +259,13 @@ var ZoteroItemPane = new function() {
 			+ (Zotero.isMac ? '⇧⌘' : Zotero.getString('general.keys.ctrlShift'))
 			+ key + ')';
 		elem.setAttribute('tooltiptext', tooltip);
-
-		var objectType = _translationTarget._objectType;
-		var imageSrc = Zotero.Utilities.Internal.getCollectionImageSrc(objectType);
-		elem.setAttribute('image', imageSrc);
+		elem.setAttribute('image', _translationTarget.collectionTreeViewImage);
 	};
 	
 
 	this.setTranslationTarget = function(translationTarget) {
 		_translationTarget = translationTarget;
-		if (translationTarget.objectType == 'collection') {
-			Zotero.Prefs.set('feeds.translationTarget', "C" + translationTarget.id);
-		} else {
-			Zotero.Prefs.set('feeds.translationTarget', "L" + translationTarget.libraryID);
-		}
+		Zotero.Prefs.set('feeds.lastTranslationTarget', translationTarget.collectionTreeViewID);
 		ZoteroItemPane.setTranslateButton();
 	};
 	
diff --git a/chrome/content/zotero/itemPane.xul b/chrome/content/zotero/itemPane.xul
index b4ac760afa..cd9fb9f1e8 100644
--- a/chrome/content/zotero/itemPane.xul
+++ b/chrome/content/zotero/itemPane.xul
@@ -43,9 +43,9 @@
 		
 		<!-- Feed -->
 		<hbox id="zotero-item-pane-top-buttons-feed" class="zotero-item-pane-top-buttons" hidden="true">
-			<button id="zotero-feed-item-toggleRead-button" flex="1"
+			<button id="zotero-feed-item-toggleRead-button"
 				oncommand="ZoteroPane_Local.toggleSelectedItemsRead();"/>
-			<button id="zotero-feed-item-addTo-button" type="menu-button" flex="1"
+			<button id="zotero-feed-item-addTo-button" type="menu-button"
 				oncommand="ZoteroItemPane.translateSelectedItems()">
 				<menupopup id="zotero-item-addTo-menu" onpopupshowing="ZoteroItemPane.buildTranslateSelectContextMenu(event);"/>
 			</button>
diff --git a/chrome/content/zotero/xpcom/data/collection.js b/chrome/content/zotero/xpcom/data/collection.js
index 3aae995f7f..e53cce0eff 100644
--- a/chrome/content/zotero/xpcom/data/collection.js
+++ b/chrome/content/zotero/xpcom/data/collection.js
@@ -83,6 +83,18 @@ Zotero.defineProperty(Zotero.Collection.prototype, 'parent', {
 	}
 });
 
+Zotero.defineProperty(Zotero.Collection.prototype, 'collectionTreeViewID', {
+	get: function () {
+		return "C" + this.id
+	}
+});
+
+Zotero.defineProperty(Zotero.Collection.prototype, 'collectionTreeViewImage', {
+	get: function () {
+		var suffix = Zotero.hiDPI ? "@2x" : "";
+		return "chrome://zotero/skin/treesource-collection" + suffix + ".png";
+	}
+});
 
 Zotero.Collection.prototype.getID = function() {
 	Zotero.debug('Collection.getID() deprecated -- use Collection.id');
diff --git a/chrome/content/zotero/xpcom/data/library.js b/chrome/content/zotero/xpcom/data/library.js
index d51bd27992..24773f0b58 100644
--- a/chrome/content/zotero/xpcom/data/library.js
+++ b/chrome/content/zotero/xpcom/data/library.js
@@ -116,6 +116,7 @@ Zotero.defineProperty(Zotero.Library.prototype, 'id', {
 	get: function() this.libraryID,
 	set: function(val) this.libraryID = val
 });
+
 Zotero.defineProperty(Zotero.Library.prototype, 'libraryType', {
 	get: function() this._get('_libraryType'),
 	set: function(v) this._set('_libraryType', v)
@@ -173,6 +174,19 @@ Zotero.defineProperty(Zotero.Library.prototype, 'name', {
 	}
 });
 
+Zotero.defineProperty(Zotero.Library.prototype, 'collectionTreeViewID', {
+	get: function () {
+		return "L" + this._libraryID
+	}
+});
+
+Zotero.defineProperty(Zotero.Library.prototype, 'collectionTreeViewImage', {
+	get: function () {
+		var suffix = Zotero.hiDPI ? "@2x" : "";
+		return "chrome://zotero/skin/treesource-library" + suffix + ".png";
+	}
+});
+
 Zotero.defineProperty(Zotero.Library.prototype, 'hasTrash', {
 	value: true
 });
diff --git a/chrome/content/zotero/xpcom/utilities_internal.js b/chrome/content/zotero/xpcom/utilities_internal.js
index ceb7ee98a3..55233a28bd 100644
--- a/chrome/content/zotero/xpcom/utilities_internal.js
+++ b/chrome/content/zotero/xpcom/utilities_internal.js
@@ -939,11 +939,15 @@ Zotero.Utilities.Internal = {
 	 * 
 	 * @return {Node<menuitem>/Node<menu>} appended node
 	 */
-	createMenuForTarget: function(libraryOrCollection, elem, clickAction) {
+	createMenuForTarget: function(libraryOrCollection, elem, currentTarget, clickAction) {
 		var doc = elem.ownerDocument;
 		function _createMenuitem(label, value, icon, command) {
 			let menuitem = doc.createElement('menuitem');
 			menuitem.setAttribute("label", label);
+			menuitem.setAttribute("type", "checkbox");
+			if (value == currentTarget) {
+				menuitem.setAttribute("checked", "true");
+			}
 			menuitem.setAttribute("value", value);
 			menuitem.setAttribute("image", icon);
 			menuitem.addEventListener('command', command);
@@ -961,17 +965,19 @@ Zotero.Utilities.Internal = {
 			return menu;
 		}
 		
-		var imageSrc = this.getCollectionImageSrc(libraryOrCollection._objectType);
+		var imageSrc = libraryOrCollection.collectionTreeViewImage;
+		
+		// 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.id, 
+			libraryOrCollection.collectionTreeViewID,
 			imageSrc,
 			function (event) {
 				clickAction(event, libraryOrCollection);
 			}
 		);
-			
-				
+		
 		var collections;
 		if (libraryOrCollection.objectType == 'collection') {
 			collections = Zotero.Collections.getByParent(libraryOrCollection.id);
@@ -989,17 +995,13 @@ Zotero.Utilities.Internal = {
 		menupopup.appendChild(menuitem);
 		menupopup.appendChild(doc.createElement('menuseparator'));
 		for (let collection of collections) {
-			let collectionMenu = this.createMenuForTarget(collection, elem, clickAction);
+			let collectionMenu = this.createMenuForTarget(
+				collection, elem, currentTarget, clickAction
+			);
 			menupopup.appendChild(collectionMenu);
 		}
 		elem.appendChild(menu);
 		return menu;
-	},
-		
-	getCollectionImageSrc: function(objectType) {
-		var suffix = Zotero.hiDPI ? "@2x" : "";
-		var collectionType = objectType == 'group' ? 'library' : objectType;
-		return "chrome://zotero/skin/treesource-" + collectionType + suffix + ".png";	
 	}
 }
 
diff --git a/defaults/preferences/zotero.js b/defaults/preferences/zotero.js
index 266ebe2e7a..eebd0dea89 100644
--- a/defaults/preferences/zotero.js
+++ b/defaults/preferences/zotero.js
@@ -55,7 +55,6 @@ pref("extensions.zotero.groups.copyTags", true);
 pref("extensions.zotero.feeds.sortAscending", false);
 pref("extensions.zotero.feeds.defaultTTL", 1);
 pref("extensions.zotero.feeds.defaultCleanupAfter", 2);
-pref("extensions.zotero.feeds.lastTranslationTarget", false);
 
 pref("extensions.zotero.backup.numBackups", 2);
 pref("extensions.zotero.backup.interval", 1440);