diff --git a/layouts/partials/cta-newsletter.html b/layouts/partials/cta-newsletter.html
index bd1970b..7bfd086 100644
--- a/layouts/partials/cta-newsletter.html
+++ b/layouts/partials/cta-newsletter.html
@@ -18,7 +18,7 @@
           >
             <input type="hidden" name="nonce" />
             <input type="hidden" name="l" value="b3297dce-4f02-42a5-9918-54499804323e" />
-            <input type="hidden" name="lang" value="{{ .Page.File.Lang }}" />
+            <input type="hidden" name="lang" value="{{ site.LanguageCode }}" />
             <input type="email" name="email" required placeholder="j.postel@isi.edu" class="form-control my-3">
             <button type="submit" class="btn btn-lg btn-primary py-2" data-umami-event="cta-newsletter-join">
               {{ i18n "cta-newsletter-button1" }}