diff --git a/config/nginx/onlyoffice.conf b/config/nginx/onlyoffice.conf
index c05245d771..809dfb63f2 100644
--- a/config/nginx/onlyoffice.conf
+++ b/config/nginx/onlyoffice.conf
@@ -44,7 +44,7 @@ map $request_uri $header_x_frame_options {
 
 map $request_uri $cache_control {
   default "no-cache, no-store, no-transform";
-  ~*\/(filehandler\.ashx\?action=(thumb|preview))|\/(storage\/room_logos\/root\/.*\?hash.*|storage\/userPhotos\/root\/.*\?hash.*|storage\/whitelabel\/root\/.*\?hash.*|storage\/static_partnerdata\/root\/.*\?hash.*) "must-revalidate, no-transform, immutable, max-age=31536000";
+  ~*\/(filehandler\.ashx\?action=(thumb|preview))|\/(storage\/room_logos\/root\/.*\?hash.*|storage\/userPhotos\/root\/.*\?hash.*|storage\/whitelabel\/root\/.*\?hash.*|storage\/static_partnerdata\/root\/.*\?hash.*) "must-revalidate, no-transform, immutable, max-age=31536000, private";
   ~*\/(api\/2\.0.*|storage|login\.ashx|filehandler\.ashx|ChunkedUploader.ashx|ThirdPartyAppHandler|apisystem|sh|remoteEntry\.js|debuginfo\.md|static\/scripts\/api\.js|static\/scripts\/sdk\/.*|static\/scripts\/api\.poly\.js) "no-cache, no-store, no-transform";
   ~*\/(static\/images\/.*)|\/(_next\/public\/images\/.*)|\.(js|woff|woff2|css)|(locales.*\.json) "must-revalidate, no-transform, immutable, max-age=31536000";
 }