diff --git a/libraries/src/Application/WebApplication.php b/libraries/src/Application/WebApplication.php
index ca71bc5ec0b04..474b2cdbcba0d 100644
--- a/libraries/src/Application/WebApplication.php
+++ b/libraries/src/Application/WebApplication.php
@@ -505,7 +505,7 @@ protected function respond()
 
 			// Always modified.
 			$this->setHeader('Last-Modified', gmdate('D, d M Y H:i:s') . ' GMT', true);
-			$this->setHeader('Cache-Control', 'no-store, no-cache, must-revalidate, post-check=0, pre-check=0', false);
+			$this->setHeader('Cache-Control', 'private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0', false);
 
 			// HTTP 1.0
 			$this->setHeader('Pragma', 'no-cache');