diff --git a/app/views/filters/_radio_filter.html.erb b/app/views/filters/_radio_filter.html.erb
index d57278628..aff0f6ed6 100644
--- a/app/views/filters/_radio_filter.html.erb
+++ b/app/views/filters/_radio_filter.html.erb
@@ -3,6 +3,6 @@
         <%= f.govuk_radio_button category, key.to_s,
         label: { text: option },
         checked: filter_selected?(category, key),
-         size: "s" %>
+        size: "s" %>
     <% end %>
 <% end %>