diff --git a/admin/app/javascript/solidus_admin/controllers/readonly_when_submitting_controller.js b/admin/app/javascript/solidus_admin/controllers/readonly_when_submitting_controller.js
new file mode 100644
index 00000000000..14b779bbda4
--- /dev/null
+++ b/admin/app/javascript/solidus_admin/controllers/readonly_when_submitting_controller.js
@@ -0,0 +1,17 @@
+import { Controller } from "@hotwired/stimulus"
+
+export default class extends Controller {
+  connect() {
+    this.element.addEventListener("submit", this)
+  }
+
+  disconnect() {
+    this.element.removeEventListener("submit", this)
+  }
+
+  handleEvent() {
+    for (const element of this.element.elements) {
+      element.setAttribute("readonly", true)
+    }
+  }
+}