diff --git a/chrome/content/zotero/xpcom/utilities.js b/chrome/content/zotero/xpcom/utilities.js
index ab9de990e..bf774cd08 100644
--- a/chrome/content/zotero/xpcom/utilities.js
+++ b/chrome/content/zotero/xpcom/utilities.js
@@ -1238,7 +1238,7 @@ Zotero.Utilities = {
 			if (isError) {
 				header = obj.constructor.name ? obj.constructor.name : 'Error';
 			} else {
-				header = obj.name ? obj.name + ' ' : '') + 'Exception';
+				header = (obj.name ? obj.name + ' ' : '') + 'Exception';
 			}
 			
 			return header + ': '