diff --git a/typo3/sysext/install/Resources/Private/Layouts/Step.html b/typo3/sysext/install/Resources/Private/Layouts/Step.html
index 18c6fe322012a3e7a1f4fc9dc15a8117ea62bdd7..44759a4bac8328dbe5fef595e220b922bea59705 100644
--- a/typo3/sysext/install/Resources/Private/Layouts/Step.html
+++ b/typo3/sysext/install/Resources/Private/Layouts/Step.html
@@ -1,5 +1,5 @@
<!DOCTYPE html>
-<html xmlns:f="http://typo3.org/ns/TYPO3/CMS/Fluid/ViewHelpers">
+<html xmlns:f="http://typo3.org/ns/TYPO3/CMS/Fluid/ViewHelpers" xmlns:i="http://typo3.org/ns/TYPO3/CMS/Install/ViewHelpers">
<head>
<title>Installing TYPO3 CMS</title>
<f:render partial="Action/Common/Headers" arguments="{_all}" />