diff --git a/chrome/content/zotero/preferences/preferences_export.js b/chrome/content/zotero/preferences/preferences_export.js
index af6d7b0ac3..e66b0cbaf9 100644
--- a/chrome/content/zotero/preferences/preferences_export.js
+++ b/chrome/content/zotero/preferences/preferences_export.js
@@ -146,7 +146,7 @@ Zotero_Preferences.Export = {
 	},
 	
 	
-	showQuickCopySiteEditor: function (index) {
+	showQuickCopySiteEditor: Zotero.Promise.coroutine(function* (index) {
 		var treechildren = document.getElementById('quickCopy-siteSettings-rows');
 		
 		if (index != undefined && index > -1 && index < treechildren.childNodes.length) {
@@ -156,29 +156,28 @@ Zotero_Preferences.Export = {
 			var asHTML = treerow.childNodes[2].getAttribute('label') != '';
 		}
 		
-		Zotero.QuickCopy.getSettingFromFormattedName(format)
-		.then(function (format) {
-			if (asHTML) {
-				format = format.replace('bibliography=', 'bibliography/html=');
-			}
-			
-			var io = {domain: domain, format: format, ok: false};
-			window.openDialog('chrome://zotero/content/preferences/quickCopySiteEditor.xul', "zotero-preferences-quickCopySiteEditor", "chrome, modal", io);
-			
-			if (!io.ok) {
-				return;
-			}
-			
-			if (domain && domain != io.domain) {
-				Zotero.DB.query("DELETE FROM settings WHERE setting='quickCopySite' AND key=?", [domain]);
-			}
-			
-			Zotero.DB.query("REPLACE INTO settings VALUES ('quickCopySite', ?, ?)", [io.domain, io.format]);
-			
-			this.refreshQuickCopySiteList();
-		}.bind(this))
-		.done();
-	},
+		var format = yield Zotero.QuickCopy.getSettingFromFormattedName(format);
+		if (asHTML) {
+			format = format.replace('bibliography=', 'bibliography/html=');
+		}
+		
+		var io = {domain: domain, format: format, ok: false};
+		window.openDialog('chrome://zotero/content/preferences/quickCopySiteEditor.xul', "zotero-preferences-quickCopySiteEditor", "chrome, modal", io);
+		
+		if (!io.ok) {
+			return;
+		}
+		
+		if (domain && domain != io.domain) {
+			yield Zotero.DB.queryAsync("DELETE FROM settings WHERE setting='quickCopySite' AND key=?", [domain]);
+		}
+		
+		yield Zotero.DB.queryAsync("REPLACE INTO settings VALUES ('quickCopySite', ?, ?)", [io.domain, io.format]);
+		
+		yield Zotero.QuickCopy.loadSiteSettings();
+		
+		yield this.refreshQuickCopySiteList();
+	}),
 	
 	
 	refreshQuickCopySiteList: Zotero.Promise.coroutine(function* () {
@@ -200,29 +199,28 @@ Zotero_Preferences.Export = {
 			
 			domainCell.setAttribute('label', siteData[i].domainPath);
 			
-			yield Zotero.QuickCopy.getFormattedNameFromSetting(siteData[i].format)
-			.then(function (formatted) {
-				formatCell.setAttribute('label', formatted);
-				var copyAsHTML = Zotero.QuickCopy.getContentType(siteData[i].format) == 'html';
-				HTMLCell.setAttribute('label', copyAsHTML ? '   ✓   ' : '');
-				
-				treerow.appendChild(domainCell);
-				treerow.appendChild(formatCell);
-				treerow.appendChild(HTMLCell);
-				treeitem.appendChild(treerow);
-				treechildren.appendChild(treeitem);
-			});
+			var formatted = yield Zotero.QuickCopy.getFormattedNameFromSetting(siteData[i].format);
+			formatCell.setAttribute('label', formatted);
+			var copyAsHTML = Zotero.QuickCopy.getContentType(siteData[i].format) == 'html';
+			HTMLCell.setAttribute('label', copyAsHTML ? '   ✓   ' : '');
+			
+			treerow.appendChild(domainCell);
+			treerow.appendChild(formatCell);
+			treerow.appendChild(HTMLCell);
+			treeitem.appendChild(treerow);
+			treechildren.appendChild(treeitem);
 		}
 	}),
 	
 	
-	deleteSelectedQuickCopySite: function () {
+	deleteSelectedQuickCopySite: Zotero.Promise.coroutine(function* () {
 		var tree = document.getElementById('quickCopy-siteSettings');
 		var treeitem = tree.lastChild.childNodes[tree.currentIndex];
 		var domainPath = treeitem.firstChild.firstChild.getAttribute('label');
-		Zotero.DB.query("DELETE FROM settings WHERE setting='quickCopySite' AND key=?", [domainPath]);
+		yield Zotero.DB.queryAsync("DELETE FROM settings WHERE setting='quickCopySite' AND key=?", [domainPath]);
+		yield Zotero.QuickCopy.loadSiteSettings();
 		this.refreshQuickCopySiteList();
-	},
+	}),
 	
 	
 	updateQuickCopyInstructions: function () {
diff --git a/chrome/content/zotero/xpcom/data/cachedTypes.js b/chrome/content/zotero/xpcom/data/cachedTypes.js
index 1cf5c2fb44..1c076877f0 100644
--- a/chrome/content/zotero/xpcom/data/cachedTypes.js
+++ b/chrome/content/zotero/xpcom/data/cachedTypes.js
@@ -167,14 +167,13 @@ Zotero.CreatorTypes = new function() {
 	
 	this.getTypesForItemType = getTypesForItemType;
 	this.isValidForItemType = isValidForItemType;
-	this.getPrimaryIDForType = getPrimaryIDForType;
 	
 	this._typeDesc = 'creator type';
 	this._idCol = 'creatorTypeID';
 	this._nameCol = 'creatorType';
 	this._table = 'creatorTypes';
 	
-	var _primaryIDCache = {};
+	var _primaryIDCache;
 	var _hasCreatorTypeCache = {};
 	var _creatorTypesByItemType = {};
 	var _isValidForItemType = {};
@@ -200,6 +199,16 @@ Zotero.CreatorTypes = new function() {
 				name: row.name
 			});
 		}
+		
+		// Load primary creator type ids
+		_primaryIDCache = {};
+		var sql = "SELECT itemTypeID, creatorTypeID FROM itemTypeCreatorTypes "
+			+ "WHERE primaryField=1";
+		var rows = yield Zotero.DB.queryAsync(sql);
+		for (let i=0; i<rows.length; i++) {
+			let row = rows[i];
+			_primaryIDCache[row.itemTypeID] = row.creatorTypeID;
+		}
 	});
 	
 	
@@ -248,18 +257,18 @@ Zotero.CreatorTypes = new function() {
 	}
 	
 	
-	function getPrimaryIDForType(itemTypeID) {
-		if (_primaryIDCache[itemTypeID]) {
-			return _primaryIDCache[itemTypeID];
+	this.getPrimaryIDForType = function (itemTypeID) {
+		if (!_primaryIDCache) {
+			throw new Zotero.Exception.UnloadedDataException(
+				"Primary creator types not yet loaded"
+			);
 		}
-		var sql = "SELECT creatorTypeID FROM itemTypeCreatorTypes "
-			+ "WHERE itemTypeID=? AND primaryField=1";
-		var creatorTypeID = Zotero.DB.valueQuery(sql, itemTypeID);
-		if (!creatorTypeID) {
+		
+		if (_primaryIDCache[itemTypeID] === undefined) {
 			return false;
 		}
-		_primaryIDCache[itemTypeID] = creatorTypeID;
-		return creatorTypeID;
+		
+		return _primaryIDCache[itemTypeID];
 	}
 }
 
diff --git a/chrome/content/zotero/xpcom/itemTreeView.js b/chrome/content/zotero/xpcom/itemTreeView.js
index 8bedd98754..6c56913079 100644
--- a/chrome/content/zotero/xpcom/itemTreeView.js
+++ b/chrome/content/zotero/xpcom/itemTreeView.js
@@ -2473,49 +2473,45 @@ Zotero.ItemTreeView.prototype.onDragStart = function (event) {
 		}
 	}
 	
-	// Quick Copy is asynchronous
-	Zotero.spawn(function* () {
-		// Get Quick Copy format for current URL
-		var url = this._ownerDocument.defaultView.content && this._ownerDocument.defaultView.content.location ?
-					this._ownerDocument.defaultView.content.location.href : null;
-		//var format = yield Zotero.QuickCopy.getFormatFromURL(url);
-		var format = 'bibliography=http://www.zotero.org/styles/chicago-note-bibliography';
-		
-		Zotero.debug("Dragging with format " + (yield Zotero.QuickCopy.getFormattedNameFromSetting(format)));
-		
-		var exportCallback = function(obj, worked) {
-			if (!worked) {
-				Zotero.log(Zotero.getString("fileInterface.exportError"), 'warning');
-				return;
-			}
-			
-			var text = obj.string.replace(/\r\n/g, "\n");
-			event.dataTransfer.setData("text/plain", text);
+	// Get Quick Copy format for current URL
+	var url = this._ownerDocument.defaultView.content && this._ownerDocument.defaultView.content.location ?
+				this._ownerDocument.defaultView.content.location.href : null;
+	var format = Zotero.QuickCopy.getFormatFromURL(url);
+	
+	Zotero.debug("Dragging with format " + format);
+	
+	var exportCallback = function(obj, worked) {
+		if (!worked) {
+			Zotero.log(Zotero.getString("fileInterface.exportError"), 'warning');
+			return;
 		}
 		
-		try {
-			var [mode, ] = format.split('=');
-			if (mode == 'export') {
-				Zotero.QuickCopy.getContentFromItems(items, format, exportCallback);
-			}
-			else if (mode.indexOf('bibliography') == 0) {
-				var content = Zotero.QuickCopy.getContentFromItems(items, format, null, event.shiftKey);
-				if (content) {
-					if (content.html) {
-						event.dataTransfer.setData("text/html", content.html);
-					}
-					event.dataTransfer.setData("text/plain", content.text);
+		var text = obj.string.replace(/\r\n/g, "\n");
+		event.dataTransfer.setData("text/plain", text);
+	}
+	
+	try {
+		var [mode, ] = format.split('=');
+		if (mode == 'export') {
+			Zotero.QuickCopy.getContentFromItems(items, format, exportCallback);
+		}
+		else if (mode.indexOf('bibliography') == 0) {
+			var content = Zotero.QuickCopy.getContentFromItems(items, format, null, event.shiftKey);
+			if (content) {
+				if (content.html) {
+					event.dataTransfer.setData("text/html", content.html);
 				}
-			}
-			else {
-				Components.utils.reportError("Invalid Quick Copy mode '" + mode + "'");
+				event.dataTransfer.setData("text/plain", content.text);
 			}
 		}
-		catch (e) {
-			Zotero.debug(e);
-			Components.utils.reportError(e + " with format '" + format + "'");
+		else {
+			Components.utils.reportError("Invalid Quick Copy mode '" + mode + "'");
 		}
-	}.bind(this));
+	}
+	catch (e) {
+		Zotero.debug(e);
+		Components.utils.reportError(e + " with format '" + format + "'");
+	}
 };
 
 
diff --git a/chrome/content/zotero/xpcom/quickCopy.js b/chrome/content/zotero/xpcom/quickCopy.js
index 281522521d..98cf6dd8a6 100644
--- a/chrome/content/zotero/xpcom/quickCopy.js
+++ b/chrome/content/zotero/xpcom/quickCopy.js
@@ -29,53 +29,42 @@ Zotero.QuickCopy = new function() {
 	this.stripContentType = stripContentType;
 	this.getContentFromItems = getContentFromItems;
 	
-	var _formattedNames = {};
+	var _siteSettings;
+	var _formattedNames;
 	
-	
-	var _init = Zotero.lazy(function () {
-		Zotero.debug("Initializing Quick Copy");
-		
-		var translation = new Zotero.Translate.Export;
-		return translation.getTranslators()
-		.then(function (translators) {
-			// add styles to list
-			var styles = Zotero.Styles.getVisible();
-			for each(var style in styles) {
-				_formattedNames['bibliography=' + style.styleID] = style.title;
-			}
-			
-			for (var i=0; i<translators.length; i++) {
-				// Skip RDF formats
-				switch (translators[i].translatorID) {
-					case '6e372642-ed9d-4934-b5d1-c11ac758ebb7':
-					case '14763d24-8ba0-45df-8f52-b8d1108e7ac9':
-						continue;
-				}
-				_formattedNames['export=' + translators[i].translatorID] = translators[i].label;
-			}
-		});
+	this.init = Zotero.Promise.coroutine(function* () {
+		yield this.loadSiteSettings();
 	});
 	
 	
-	this.getFormattedNameFromSetting = function (setting) {
-		return _init()
-		.then(function () {
-			var name = _formattedNames[this.stripContentType(setting)];
-			return name ? name : '';
-		}.bind(this));
-	}
+	this.loadSiteSettings = Zotero.Promise.coroutine(function* () {
+		var sql = "SELECT key AS domainPath, value AS format FROM settings "
+			+ "WHERE setting='quickCopySite'";
+		var rows = yield Zotero.DB.queryAsync(sql);
+		// Unproxify storage row
+		_siteSettings = [for (row of rows) { domainPath: row.domainPath, format: row.format }];
+	});
 	
-	this.getSettingFromFormattedName = function (name) {
-		return _init()
-		.then(function () {
-			for (var setting in _formattedNames) {
-				if (_formattedNames[setting] == name) {
-					return setting;
-				}
+	
+	this.getFormattedNameFromSetting = Zotero.Promise.coroutine(function* (setting) {
+		if (!_formattedNames) {
+			yield _loadFormattedNames();
+		}
+		var name = _formattedNames[this.stripContentType(setting)];
+		return name ? name : '';
+	});
+	
+	this.getSettingFromFormattedName = Zotero.Promise.coroutine(function* (name) {
+		if (!_formattedNames) {
+			yield _loadFormattedNames();
+		}
+		for (var setting in _formattedNames) {
+			if (_formattedNames[setting] == name) {
+				return setting;
 			}
-			return '';
-		});
-	}
+		}
+		return '';
+	});
 	
 	
 	/*
@@ -95,7 +84,7 @@ Zotero.QuickCopy = new function() {
 	}
 	
 	
-	this.getFormatFromURL = Zotero.Promise.coroutine(function* (url) {
+	this.getFormatFromURL = function (url) {
 		if (!url) {
 			return Zotero.Prefs.get("export.quickCopy.setting");
 		}
@@ -112,13 +101,21 @@ Zotero.QuickCopy = new function() {
 			return Zotero.Prefs.get("export.quickCopy.setting");
 		}
 		
-		var matches = [];
+		if (!_siteSettings) {
+			throw new Zotero.Exception.UnloadedDataException("Quick Copy site settings not loaded");
+		}
 		
-		var sql = "SELECT key AS domainPath, value AS format FROM settings "
-			+ "WHERE setting='quickCopySite' AND (key LIKE ? OR key LIKE ?)";
 		var urlDomain = urlHostPort.match(/[^\.]+\.[^\.]+$/);
-		var rows = yield Zotero.DB.queryAsync(sql, ['%' + urlDomain + '%', '/%']);
-		for each(var row in rows) {
+		var matches = [];
+		for (let i=0; i<_siteSettings.length; i++) {
+			let row = _siteSettings[i];
+			
+			// Only concern ourselves with entries containing the current domain
+			// or paths that apply to all domains
+			if (!row.domainPath.contains(urlDomain) && !row.domainPath.startsWith('/')) {
+				continue;
+			}
+			
 			var [domain, path] = row.domainPath.split(/\//);
 			path = '/' + (path ? path : '');
 			var re = new RegExp(domain + '$');
@@ -156,7 +153,7 @@ Zotero.QuickCopy = new function() {
 		}
 		
 		return Zotero.Prefs.get("export.quickCopy.setting");
-	});
+	};
 	
 	
 	/*
@@ -364,4 +361,32 @@ Zotero.QuickCopy = new function() {
 		
 		throw ("Invalid mode '" + mode + "' in Zotero.QuickCopy.getContentFromItems()");
 	}
+	
+	
+	var _loadFormattedNames = Zotero.Promise.coroutine(function* () {
+		var t = new Date;
+		Zotero.debug("Loading formatted names for Quick Copy");
+		
+		var translation = new Zotero.Translate.Export;
+		var translators = yield translation.getTranslators();
+		
+		// add styles to list
+		_formattedNames = {};
+		var styles = Zotero.Styles.getVisible();
+		for each(var style in styles) {
+			_formattedNames['bibliography=' + style.styleID] = style.title;
+		}
+		
+		for (var i=0; i<translators.length; i++) {
+			// Skip RDF formats
+			switch (translators[i].translatorID) {
+				case '6e372642-ed9d-4934-b5d1-c11ac758ebb7':
+				case '14763d24-8ba0-45df-8f52-b8d1108e7ac9':
+					continue;
+			}
+			_formattedNames['export=' + translators[i].translatorID] = translators[i].label;
+		}
+		
+		Zotero.debug("Loaded formatted names for Quick Copy in " + (new Date - t) + " ms");
+	});
 }
diff --git a/chrome/content/zotero/xpcom/zotero.js b/chrome/content/zotero/xpcom/zotero.js
index 61c22e19fb..cdd4bd0805 100644
--- a/chrome/content/zotero/xpcom/zotero.js
+++ b/chrome/content/zotero/xpcom/zotero.js
@@ -621,6 +621,8 @@ Components.utils.import("resource://gre/modules/osfile.jsm");
 				Zotero.Searches.init();
 				Zotero.Groups.init();
 				
+				// TODO: Delay until after UI is shown
+				yield Zotero.QuickCopy.init();
 				Zotero.Items.startEmptyTrashTimer();
 			}
 			catch (e) {