diff --git a/chrome/content/zotero/xpcom/data/item.js b/chrome/content/zotero/xpcom/data/item.js
index 494c2d3272..6c93a18361 100644
--- a/chrome/content/zotero/xpcom/data/item.js
+++ b/chrome/content/zotero/xpcom/data/item.js
@@ -3820,6 +3820,7 @@ Zotero.Item.prototype.fromJSON = Zotero.Promise.coroutine(function* (json) {
 		switch (field) {
 		case 'key':
 		case 'version':
+		case 'synced':
 		case 'itemType':
 		case 'note':
 		// Use?