diff --git a/chrome/content/zotero/xpcom/cite.js b/chrome/content/zotero/xpcom/cite.js
index e8d53acc37..3238a83be6 100644
--- a/chrome/content/zotero/xpcom/cite.js
+++ b/chrome/content/zotero/xpcom/cite.js
@@ -673,23 +673,8 @@ Zotero.Cite.Locale = {
 		if (str) {
 			return str;
 		}
-		var uri = `chrome://zotero/content/locale/csl/locales-${locale}.xml`;
 		try {
-			let protHandler = Components.classes["@mozilla.org/network/protocol;1?name=chrome"]
-				.createInstance(Components.interfaces.nsIProtocolHandler);
-			let channel = protHandler.newChannel(protHandler.newURI(uri));
-			let cstream = Components.classes["@mozilla.org/intl/converter-input-stream;1"]
-				.createInstance(Components.interfaces.nsIConverterInputStream);
-			cstream.init(channel.open(), "UTF-8", 0, 0);
-			let obj = {};
-			let read = 0;
-			let str = "";
-			do {
-				// Read as much as we can and put it in obj.value
-				read = cstream.readString(0xffffffff, obj);
-				str += obj.value;
-			} while (read != 0);
-			cstream.close();
+			str = Zotero.File.getResource(`chrome://zotero/content/locale/csl/locales-${locale}.xml`);
 			this._cache.set(locale, str);
 			return str;
 		}