diff --git a/pages/exec.php b/pages/exec.php
index 5d982fa66..7e1e62c32 100644
--- a/pages/exec.php
+++ b/pages/exec.php
@@ -116,6 +116,7 @@ if (is_array($aModuleDelegatedAuthenticationEndpointsList) && !in_array($sPage,
 	LoginWebPage::DoLoginEx();
 }
 if (is_null($aModuleDelegatedAuthenticationEndpointsList) && !UserRights::IsLoggedIn()) {
+	require_once(APPROOT.'/application/startup.inc.php');
 	// check if user is not logged in, if not log a warning in the log file as the page is executed without login, which is not recommended for security reason
 	IssueLog::Debug("The '$sPage' page is executed without logging in. This call will be blocked in the future and will likely cause unwanted behaviour in the '$sModule' module. Please define a delegated authentication endpoint for the module, as described at https://www.itophub.io/wiki/page?id=latest:customization:new_extension#security.");
 }