diff --git a/themes/grav/app/forms/fields/collections.js b/themes/grav/app/forms/fields/collections.js
index 48deb585..2de23724 100644
--- a/themes/grav/app/forms/fields/collections.js
+++ b/themes/grav/app/forms/fields/collections.js
@@ -173,7 +173,7 @@ export default class CollectionsField {
 
             item.attr('data-collection-key', hasCustomKey ? observedValue : index);
 
-            ['name', 'data-grav-field-name', 'for', 'id', 'data-grav-file-settings', 'data-grav-array-name'].forEach((prop) => {
+            ['name', 'data-grav-field-name', 'for', 'id', 'data-grav-file-settings', 'data-file-post-add', 'data-file-post-remove', 'data-grav-array-name'].forEach((prop) => {
                 item.find('[' + prop + '], [_' + prop + ']').each(function() {
                     let element = $(this);
                     let indexes = [];
diff --git a/themes/grav/js/admin.min.js b/themes/grav/js/admin.min.js
index f7923106..3e60765b 100644
--- a/themes/grav/js/admin.min.js
+++ b/themes/grav/js/admin.min.js
@@ -5581,7 +5581,7 @@ var CollectionsField = /*#__PURE__*/function () {
         var hasCustomKey = observed.length;
         var currentKey = item.data('collection-key-backup');
         item.attr('data-collection-key', hasCustomKey ? observedValue : index);
-        ['name', 'data-grav-field-name', 'for', 'id', 'data-grav-file-settings', 'data-grav-array-name'].forEach(function (prop) {
+        ['name', 'data-grav-field-name', 'for', 'id', 'data-grav-file-settings', 'data-file-post-add', 'data-file-post-remove', 'data-grav-array-name'].forEach(function (prop) {
           item.find('[' + prop + '], [_' + prop + ']').each(function () {
             var element = external_jQuery_default()(this);
             var indexes = [];