diff --git a/backend/app/Main.hs b/backend/app/Main.hs
index 046cd4d..e2b879a 100644
--- a/backend/app/Main.hs
+++ b/backend/app/Main.hs
@@ -95,7 +95,7 @@ serverErrorReadFile e = H.toHtml $ "document.getElementById('body').innerHTML='S
                             ++ "';"
 
 shortCache :: ActionM ()
-shortCache = addHeader "Cache-Control" "must-understand, stale-if-error=43200, max-age=43200"
+shortCache = addHeader "Cache-Control" "max-age=21600"
 
 noCache :: ActionM ()
 noCache = addHeader "Cache-Control" "no-cache"