diff --git a/chrome/content/zotero/integration/quickFormat.js b/chrome/content/zotero/integration/quickFormat.js
index 1b4308781..5a509109b 100644
--- a/chrome/content/zotero/integration/quickFormat.js
+++ b/chrome/content/zotero/integration/quickFormat.js
@@ -978,7 +978,7 @@ var Zotero_QuickFormat = new function () {
 	 * Handle return or escape
 	 */
 	function _onQuickSearchKeyPress(event) {
-		qfGuidance.hide();
+		if(qfGuidance) qfGuidance.hide();
 		
 		var keyCode = event.keyCode;
 		if(keyCode === event.DOM_VK_RETURN || keyCode === event.DOM_VK_ENTER) {