diff --git a/Resources/Private/Partials/ContentElements/Carousel/Item/CallToAction.html b/Resources/Private/Partials/ContentElements/Carousel/Item/CallToAction.html
index 6965335cc..ef75303ca 100644
--- a/Resources/Private/Partials/ContentElements/Carousel/Item/CallToAction.html
+++ b/Resources/Private/Partials/ContentElements/Carousel/Item/CallToAction.html
@@ -1,3 +1,4 @@
+<html xmlns:f="http://typo3.org/ns/TYPO3/CMS/Fluid/ViewHelpers" data-namespace-typo3-fluid="true">
 <div class="carousel-content-inner">
     <div class="carousel-box">
         <f:if condition="{item.data.nav_title}">
@@ -26,3 +27,4 @@
         </f:if>
     </div>
 </div>
+</html>
diff --git a/Resources/Private/Partials/ContentElements/Carousel/Item/Text.html b/Resources/Private/Partials/ContentElements/Carousel/Item/Text.html
index d10208df5..4fdae4a9e 100644
--- a/Resources/Private/Partials/ContentElements/Carousel/Item/Text.html
+++ b/Resources/Private/Partials/ContentElements/Carousel/Item/Text.html
@@ -1,3 +1,4 @@
+<html xmlns:f="http://typo3.org/ns/TYPO3/CMS/Fluid/ViewHelpers" data-namespace-typo3-fluid="true">
 <div class="carousel-content-inner">
     <div class="carousel-text-inner">
         <f:if condition="{item.data.nav_title}">
@@ -14,3 +15,4 @@
         </f:if>
     </div>
 </div>
+</html>
