From 83187eaa35415525d7f0895f9e4804bb43261959 Mon Sep 17 00:00:00 2001
From: Aurimas Vinckevicius <aurimas.dev@gmail.com>
Date: Fri, 14 Nov 2014 04:18:23 -0600
Subject: [PATCH] Validate numeric field IDs

---
 chrome/content/zotero/xpcom/data/itemFields.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/chrome/content/zotero/xpcom/data/itemFields.js b/chrome/content/zotero/xpcom/data/itemFields.js
index ffd86a2e42..1ffa92216e 100644
--- a/chrome/content/zotero/xpcom/data/itemFields.js
+++ b/chrome/content/zotero/xpcom/data/itemFields.js
@@ -103,7 +103,7 @@ Zotero.ItemFields = new function() {
 		}
 		
 		if (typeof field == 'number') {
-			return field;
+			return _fields[field] ? field : false;
 		}
 		
 		return _fields[field] ? _fields[field]['id'] : false;