diff --git a/ajax/telemetry.php b/ajax/telemetry.php
index a90d2dd6848..c067447c1f6 100644
--- a/ajax/telemetry.php
+++ b/ajax/telemetry.php
@@ -33,6 +33,9 @@
  * ---------------------------------------------------------------------
  */
 
+// Must be available during installation. This script already checks for permissions when the flag usually set by the installer is missing.
+$SECURITY_STRATEGY = 'no_check';
+
 include('../inc/includes.php');
 
 header("Content-Type: text/html; charset=UTF-8");