diff --git a/app/templates/views/send-test.html b/app/templates/views/send-test.html
index 967f72a08..8764b5479 100644
--- a/app/templates/views/send-test.html
+++ b/app/templates/views/send-test.html
@@ -17,7 +17,7 @@
   {% call form_wrapper(
     class='js-stick-at-top-when-scrolling send-one-off-form' if template.template_type != 'sms' else 'send-one-off-form',
     module="autofocus",
-    data_kwargs={'forceFocus': True}
+    data_kwargs={'force-focus': True}
   ) %}
     <div class="grid-row">
       <div class="column-two-thirds {% if form.placeholder_value.label.text == 'phone number' %}extra-tracking{% endif %}">