diff --git a/chrome/content/zotero/actors/translation/http.js b/chrome/content/zotero/actors/translation/http.js
index 61890f231c..6e2bf86145 100644
--- a/chrome/content/zotero/actors/translation/http.js
+++ b/chrome/content/zotero/actors/translation/http.js
@@ -101,7 +101,7 @@ Zotero.HTTP = new function() {
 		}
 		Zotero.debug(`HTTP ${method} ${url}${logBody}`);
 
-		var xmlhttp = new XMLHttpRequest();
+		var xmlhttp = new XMLHttpRequest({ mozAnon: false });
 		xmlhttp.timeout = options.timeout;
 		var promise = Zotero.HTTP._attachHandlers(url, xmlhttp, options);