diff --git a/public/typo3conf/ext/ep_theme/Resources/Private/Partials/Header/Header.html b/public/typo3conf/ext/ep_theme/Resources/Private/Partials/Header/Header.html
index 2c6a68ff..da75183a 100644
--- a/public/typo3conf/ext/ep_theme/Resources/Private/Partials/Header/Header.html
+++ b/public/typo3conf/ext/ep_theme/Resources/Private/Partials/Header/Header.html
@@ -1,61 +1,67 @@
-<f:if condition="{header}">
-    <f:switch expression="{layout}">
-        <f:case value="1">
-            <h1>
-                <f:link.typolink parameter="{link}">{header -> f:format.raw()}</f:link.typolink>
-            </h1>
-        </f:case>
-        <f:case value="2">
-            <h2>
-                <f:link.typolink parameter="{link}">{header -> f:format.raw()}</f:link.typolink>
-            </h2>
-        </f:case>
-        <f:case value="3">
-            <h3>
-                <f:link.typolink parameter="{link}">{header -> f:format.raw()}</f:link.typolink>
-            </h3>
-        </f:case>
-        <f:case value="4">
-            <h4>
-                <f:link.typolink parameter="{link}">{header -> f:format.raw()}</f:link.typolink>
-            </h4>
-        </f:case>
-        <f:case value="5">
-            <h5>
-                <f:link.typolink parameter="{link}">{header -> f:format.raw()}</f:link.typolink>
-            </h5>
-        </f:case>
-        <f:case value="6">
-            <h1 class="headline--underlined">
-                <f:link.typolink parameter="{link}">{header -> f:format.raw()}</f:link.typolink>
-            </h1>
-        </f:case>
-        <f:case value="7">
-            <h2 class="headline--underlined">
-                <f:link.typolink parameter="{link}">{header -> f:format.raw()}</f:link.typolink>
-            </h2>
-        </f:case>
-        <f:case value="8">
-            <h1 class="headline--underlined{f:if(condition: subheader, then: ' headline--has-subline')}">
-                <f:if condition="{subheader}"><span class="subline">{subheader -> f:format.raw()}&nbsp;</span></f:if>{header -> f:format.raw()}
-            </h1>
-        </f:case>
-        <f:case value="9">
-            <h2 class="headline--underlined{f:if(condition: subheader, then: ' headline--has-subline')}">
-                <f:if condition="{subheader}"><span class="subline">{subheader -> f:format.raw()}&nbsp;</span></f:if>{header -> f:format.raw()}
-            </h2>
-        </f:case>
-        <f:case value="100">
-            <f:comment> -- do not show header -- </f:comment>
-        </f:case>
-        <f:defaultCase>
-            <f:if condition="{default}">
-                <f:render partial="Header/Header" arguments="{
-                header: header,
-                subheader: subheader,
-                layout: default,
-                link: link}" />
-            </f:if>
-        </f:defaultCase>>
-    </f:switch>
-</f:if>
+<html data-namespace-typo3-fluid="true" lang="en"
+      xmlns="http://www.w3.org/1999/xhtml"
+      xmlns:f="http://typo3.org/ns/fluid/ViewHelpers">
+
+    <f:if condition="{header}">
+        <f:switch expression="{layout}">
+            <f:case value="1">
+                <h1>
+                    <f:link.typolink parameter="{link}">{header -> f:format.raw()}</f:link.typolink>
+                </h1>
+            </f:case>
+            <f:case value="2">
+                <h2>
+                    <f:link.typolink parameter="{link}">{header -> f:format.raw()}</f:link.typolink>
+                </h2>
+            </f:case>
+            <f:case value="3">
+                <h3>
+                    <f:link.typolink parameter="{link}">{header -> f:format.raw()}</f:link.typolink>
+                </h3>
+            </f:case>
+            <f:case value="4">
+                <h4>
+                    <f:link.typolink parameter="{link}">{header -> f:format.raw()}</f:link.typolink>
+                </h4>
+            </f:case>
+            <f:case value="5">
+                <h5>
+                    <f:link.typolink parameter="{link}">{header -> f:format.raw()}</f:link.typolink>
+                </h5>
+            </f:case>
+            <f:case value="6">
+                <h1 class="headline--underlined">
+                    <f:link.typolink parameter="{link}">{header -> f:format.raw()}</f:link.typolink>
+                </h1>
+            </f:case>
+            <f:case value="7">
+                <h2 class="headline--underlined">
+                    <f:link.typolink parameter="{link}">{header -> f:format.raw()}</f:link.typolink>
+                </h2>
+            </f:case>
+            <f:case value="8">
+                <h1 class="headline--underlined{f:if(condition: subheader, then: ' headline--has-subline')}">
+                    <f:if condition="{subheader}"><span class="subline">{subheader -> f:format.raw()}&nbsp;</span></f:if><f:link.typolink parameter="{link}">{header -> f:format.raw()}</f:link.typolink>
+                </h1>
+            </f:case>
+            <f:case value="9">
+                <h2 class="headline--underlined{f:if(condition: subheader, then: ' headline--has-subline')}">
+                    <f:if condition="{subheader}"><span class="subline">{subheader -> f:format.raw()}&nbsp;</span></f:if><f:link.typolink parameter="{link}">{header -> f:format.raw()}</f:link.typolink>
+                </h2>
+            </f:case>
+            <f:case value="100">
+                <f:comment><!-- -- do not show header -- --></f:comment>
+            </f:case>
+            <f:defaultCase>
+                <f:if condition="{default}">
+                    <f:render partial="Header/Header" arguments="{
+                    header: header,
+                    subheader: subheader,
+                    layout: default,
+                    link: link}" />
+                </f:if>
+            </f:defaultCase>>
+        </f:switch>
+    </f:if>
+
+</html>
