diff --git a/packages/components/cypress/fixtures/post-popover.test.html b/packages/components/cypress/fixtures/post-popover.test.html
index 23d880fb52..e68fb0b6dc 100644
--- a/packages/components/cypress/fixtures/post-popover.test.html
+++ b/packages/components/cypress/fixtures/post-popover.test.html
@@ -4,6 +4,10 @@
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <title>Document</title>
+    <link
+      href="https://next.design-system.post.ch/styles/post-external.css"
+      rel="stylesheet"
+    />
     <script src="../../dist/post-components/post-components.esm.js" type="module"></script>
   </head>
   <body>
