diff --git a/setup/unattended-install/unattended-install.php b/setup/unattended-install/unattended-install.php
index fdf1ca5e0..2ac9eafb7 100644
--- a/setup/unattended-install/unattended-install.php
+++ b/setup/unattended-install/unattended-install.php
@@ -25,7 +25,9 @@ EOF;
     exit(-1);
 }
 /////////////////////////////////////////////////
-if (! utils::IsModeCLI())
+
+$sCleanName = strtolower(trim(PHP_SAPI));
+if ($sCleanName !== 'cli')
 {
 	echo "Mode CLI only";
 	exit(-1);