diff --git a/core/modules/node/node.preview.js b/core/modules/node/node.preview.js
index f631923..09ce7a0 100644
--- a/core/modules/node/node.preview.js
+++ b/core/modules/node/node.preview.js
@@ -35,14 +35,14 @@
         }
       }
 
-      var $preview = $(context).find('.page-node-preview').once('node-preview');
-      if ($preview.length) {
+      var $preview = $(context).find('.content').once('node-preview');
+      if ($(context).find('.node-preview-container').length) {
         $preview.on('click.preview', 'a:not([href^=#], #edit-backlink, #toolbar-administration a)', clickPreviewModal);
       }
     },
     detach: function (context, settings, trigger) {
       if (trigger === 'unload') {
-        var $preview = $(context).find('.page-node-preview').removeOnce('node-preview');
+        var $preview = $(context).find('.content').removeOnce('node-preview');
         if ($preview.length) {
           $preview.off('click.preview');
         }