diff --git a/biscuit/apps/schild_nrw/templates/schild_nrw/schild_import.html b/biscuit/apps/schild_nrw/templates/schild_nrw/schild_import.html
index b0697bafc9fd44124de1f3baef86d8231e039ee8..859c2428276ffd26c677ec1d2552bcec06fde6cf 100644
--- a/biscuit/apps/schild_nrw/templates/schild_nrw/schild_import.html
+++ b/biscuit/apps/schild_nrw/templates/schild_nrw/schild_import.html
@@ -46,7 +46,7 @@
     {% csrf_token %}
     {% bootstrap_form upload_form %}
 
-    <button type="submit" class="btn btn-secondary">
+    <button type="submit" class="btn btn-dark">
       {% blocktrans %}Process{% endblocktrans %}
     </button>
   </form>