diff --git a/docker/routlin-dash/app/view_page.py b/docker/routlin-dash/app/view_page.py
index 981043d..37360a5 100644
--- a/docker/routlin-dash/app/view_page.py
+++ b/docker/routlin-dash/app/view_page.py
@@ -2841,6 +2841,21 @@ document.querySelectorAll('[data-reveal-card]').forEach(function(btn) {
   });
 })();
 
+(function() {
+  var revertForm = document.querySelector('form[action="/action/actions_cardhistory_revertselected"]');
+  if (revertForm) {
+    var revertBtn = revertForm.querySelector('button[type="submit"]');
+    if (revertBtn && !revertBtn.disabled) {
+      function updateRevertBtn() {
+        var any = revertForm.querySelectorAll('input[name="selected_uuids"]:checked:not(:disabled)').length > 0;
+        revertBtn.disabled = !any;
+      }
+      updateRevertBtn();
+      revertForm.addEventListener('change', updateRevertBtn);
+    }
+  }
+})();
+
 (function() {
   function uuidHighlight(on) {
     return function() {