diff --git a/core/misc/ajax.js b/core/misc/ajax.js
index b63bc03..a343cd3 100644
--- a/core/misc/ajax.js
+++ b/core/misc/ajax.js
@@ -438,7 +438,7 @@
     ajax.options.url += Drupal.ajax.WRAPPER_FORMAT + '=drupal_' + (element_settings.dialogType || 'ajax');
 
     // Bind the ajaxSubmit function to the element event.
-    $(ajax.element).on(element_settings.event, function (event) {
+    $(ajax.element).on(element_settings.event + '.ajax', function (event) {
       if (!drupalSettings.ajaxTrustedUrl[ajax.url] && !Drupal.url.isLocal(ajax.url)) {
         throw new Error(Drupal.t('The callback URL is not local and not trusted: !url', {'!url': ajax.url}));
       }
@@ -449,7 +449,7 @@
     // can be triggered through keyboard input as well as e.g. a mousedown
     // action.
     if (element_settings.keypress) {
-      $(ajax.element).on('keypress', function (event) {
+      $(ajax.element).on('keypress.ajax', function (event) {
         return ajax.keypressResponse(this, event);
       });
     }
@@ -458,7 +458,7 @@
     // For example, prevent the browser default action of a click, even if the
     // Ajax behavior binds to mousedown.
     if (element_settings.prevent) {
-      $(ajax.element).on(element_settings.prevent, false);
+      $(ajax.element).on(element_settings.prevent + '.ajax', false);
     }
   };