diff --git a/addons/website/static/src/snippets/s_website_form/000.js b/addons/website/static/src/snippets/s_website_form/000.js
index 9e6de945ed1..6bd6e54cfa7 100644
--- a/addons/website/static/src/snippets/s_website_form/000.js
+++ b/addons/website/static/src/snippets/s_website_form/000.js
@@ -262,7 +262,7 @@ odoo.define('website.s_website_form', function (require) {
 
             // Prepare form inputs
             this.form_fields = this.$target.serializeArray();
-            $.each(this.$target.find('input[type=file]'), function (outer_index, input) {
+            $.each(this.$target.find('input[type=file]:not([disabled])'), (outer_index, input) => {
                 $.each($(input).prop('files'), function (index, file) {
                     // Index field name as ajax won't accept arrays of files
                     // when aggregating multiple files into a single field value