diff --git a/views/partials/custom-css.njk b/views/partials/custom-css.njk
index 6d725e31e..4e5a494e6 100644
--- a/views/partials/custom-css.njk
+++ b/views/partials/custom-css.njk
@@ -1,3 +1,3 @@
 {% if customCssUrl %}
-<link href="{{ customCssUrl }}" rel="stylesheet">
+<link nonce="{{ nonce }}" href="{{ customCssUrl }}" rel="stylesheet">
 {% endif %}