diff --git a/solid-invoicing.js b/solid-invoicing.js
index 3972a0d1cce62bc2f955d7542a2f1f15201faa11..3a08a8e400d4efea752d269755ed06775563bd8a 100644
--- a/solid-invoicing.js
+++ b/solid-invoicing.js
@@ -891,8 +891,8 @@ export class SolidInvoicing extends SolidTemplateElement {
           confirmation-type="dialog"
           confirmation-submit-text="${this.localize('validate.delete_invoice')}"
           confirmation-cancel-text="${this.localize('cancel.delete_invoice')}"
-          confirmation-submit-class="segment sm-full button text-xsmall text-bold reversed text-uppercase text-center color-secondary bordered"
-          confirmation-cancel-class="cancel segment sm-full button text-xsmall text-bold text-uppercase text-center color-secondary bordered"
+          confirmation-submit-class="button-delete-confirm segment sm-full button text-xsmall text-bold text-uppercase text-center "
+          confirmation-cancel-class="cancel button-delete-cancel segment sm-full button text-xsmall text-bold text-uppercase text-center"
           data-label="${this.localize('button.delete_submit_form')}"
         ></solid-delete>
         </dialog>