diff --git a/pages/404.js b/pages/404.js
index 54c19adc..0741e8ec 100644
--- a/pages/404.js
+++ b/pages/404.js
@@ -22,9 +22,9 @@ const FourOhFour = (props) => {
                 <CookieBanner />
                 <Header courseName={t("common:service-name")} />
                 <div className="govuk-width-container govuk-!-padding-bottom-9">
-                    <main class="govuk-main-wrapper govuk-!-padding-top-9 govuk-!-padding-bottom-9">
-                        <div class="govuk-grid-row">
-                            <div class="govuk-grid-column-two-thirds ">
+                    <main className="govuk-main-wrapper govuk-!-padding-top-9 govuk-!-padding-bottom-9">
+                        <div className="govuk-grid-row">
+                            <div className="govuk-grid-column-two-thirds ">
                                 <h1>404 - Page Not Found</h1>
                                 <Link href="/">
                                     <a>Go back home</a>