diff --git a/chrome/content/zotero/xpcom/translation/translate.js b/chrome/content/zotero/xpcom/translation/translate.js
index 507e7d242..b6d36f8c5 100644
--- a/chrome/content/zotero/xpcom/translation/translate.js
+++ b/chrome/content/zotero/xpcom/translation/translate.js
@@ -83,7 +83,8 @@ Zotero.Translate.Sandbox = {
 		_itemDone: function (translate, item) {
 			// https://github.com/zotero/translators/issues/1353
 			var asyncTranslator = !(translate instanceof Zotero.Translate.Web)
-				&& translate.translator[0].lastUpdated > '2017-07-05';
+				&& translate.translator[0].configOptions
+				&& translate.translator[0].configOptions.async;
 			
 			var run = function (resolve) {
 				Zotero.debug("Translate: Saving item");
diff --git a/test/tests/translateTest.js b/test/tests/translateTest.js
index 378fe299a..3aa6dfd1f 100644
--- a/test/tests/translateTest.js
+++ b/test/tests/translateTest.js
@@ -850,7 +850,9 @@ describe("Zotero.Translate", function() {
 					+ "	});"
 					+ "}",
 				{
-					lastUpdated: "2017-07-05 00:00:00"
+					configOptions: {
+						async: true
+					}
 				}
 			));
 			var e = yield getPromiseError(translation.translate());
@@ -906,7 +908,9 @@ describe("Zotero.Translate", function() {
 					+ "	});"
 					+ "}",
 				{
-					lastUpdated: "2017-07-05 00:00:00"
+					configOptions: {
+						async: true
+					}
 				}
 			));
 			translation.setSearch({ itemType: "journalArticle", DOI: "10.111/Test"});