diff --git a/core/misc/ajax.es6.js b/core/misc/ajax.es6.js
index 2bb06962ef..6248e46efe 100644
--- a/core/misc/ajax.es6.js
+++ b/core/misc/ajax.es6.js
@@ -60,7 +60,7 @@
           element_settings.event = 'click';
         }
         element_settings.dialogType = $(this).data('dialog-type');
-        element_settings.drupalDialogRenderer = $(this).data('dialog-renderer');
+        element_settings.dialogRenderer = $(this).data('dialog-renderer');
         element_settings.dialog = $(this).data('dialog-options');
         element_settings.base = $(this).attr('id');
         element_settings.element = this;
@@ -520,8 +520,8 @@
     }
     // If this element has a dialog type use if for the wrapper if not use 'ajax'.
     let wrapper = `drupal_${(element_settings.dialogType || 'ajax')}`;
-    if (element_settings.drupalDialogRenderer) {
-      wrapper += `.${element_settings.drupalDialogRenderer}`;
+    if (element_settings.dialogRenderer) {
+      wrapper += `.${element_settings.dialogRenderer}`;
     }
     ajax.options.url += `${Drupal.ajax.WRAPPER_FORMAT}=${wrapper}`;
 
diff --git a/core/misc/ajax.js b/core/misc/ajax.js
index b84cfb1964..5ea52425be 100644
--- a/core/misc/ajax.js
+++ b/core/misc/ajax.js
@@ -38,7 +38,7 @@ function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr
           element_settings.event = 'click';
         }
         element_settings.dialogType = $(this).data('dialog-type');
-        element_settings.drupalDialogRenderer = $(this).data('dialog-renderer');
+        element_settings.dialogRenderer = $(this).data('dialog-renderer');
         element_settings.dialog = $(this).data('dialog-options');
         element_settings.base = $(this).attr('id');
         element_settings.element = this;
@@ -243,8 +243,8 @@ function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr
     }
 
     var wrapper = 'drupal_' + (element_settings.dialogType || 'ajax');
-    if (element_settings.drupalDialogRenderer) {
-      wrapper += '.' + element_settings.drupalDialogRenderer;
+    if (element_settings.dialogRenderer) {
+      wrapper += '.' + element_settings.dialogRenderer;
     }
     ajax.options.url += Drupal.ajax.WRAPPER_FORMAT + '=' + wrapper;