diff --git a/chrome/content/zotero/xpcom/storage/webdav.js b/chrome/content/zotero/xpcom/storage/webdav.js
index c3f624d15..84e300352 100644
--- a/chrome/content/zotero/xpcom/storage/webdav.js
+++ b/chrome/content/zotero/xpcom/storage/webdav.js
@@ -1105,6 +1105,7 @@ Zotero.Sync.Storage.Mode.WebDAV.prototype = {
 				{
 					successCodes: [200, 300, 404],
 					requestObserver: xmlhttp => request.setChannel(xmlhttp.channel),
+					dontCache: true,
 					debug: true
 				}
 			);