diff --git a/core/modules/views/lib/Drupal/views/Plugin/views/style/StylePluginBase.php b/core/modules/views/lib/Drupal/views/Plugin/views/style/StylePluginBase.php
index 8e5c23d..d0a76db 100644
--- a/core/modules/views/lib/Drupal/views/Plugin/views/style/StylePluginBase.php
+++ b/core/modules/views/lib/Drupal/views/Plugin/views/style/StylePluginBase.php
@@ -391,7 +391,7 @@ public function buildSort() { return TRUE; }
    * Called by the view builder to let the style build a second set of
    * sorts that will come after any other sorts in the view.
    */
-  function build_sort_post() { }
+  public function buildSortPost() { }
 
   /**
    * Allow the style to do stuff before each row is rendered.
diff --git a/core/modules/views/lib/Drupal/views/Tests/Plugin/StyleTableUnitTest.php b/core/modules/views/lib/Drupal/views/Tests/Plugin/StyleTableUnitTest.php
index aa35d36..6f8b8ae 100644
--- a/core/modules/views/lib/Drupal/views/Tests/Plugin/StyleTableUnitTest.php
+++ b/core/modules/views/lib/Drupal/views/Tests/Plugin/StyleTableUnitTest.php
@@ -67,7 +67,7 @@ public function testTable() {
 
     $this->assertFalse($style_plugin->buildSort(), 'If a valid order is specified and the table is configured to override, the normal sort should not be used.');
 
-    // Test the build_sort_post() method.
+    // Test the buildSortPost() method.
     $request = new Request();
     $this->container->enterScope('request');
     $this->container->set('request', $request);
@@ -76,7 +76,7 @@ public function testTable() {
     $this->prepareView($view);
     $style_plugin = $view->style_plugin;
     $style_plugin->options['default'] = '';
-    $style_plugin->build_sort_post();
+    $style_plugin->buildSortPost();
     $this->assertIdentical($style_plugin->order, NULL, 'No sort order was set, when no order was specified and no default column was selected.');
     $this->assertIdentical($style_plugin->active, NULL, 'No sort field was set, when no order was specified and no default column was selected.');
     $view->destroy();
@@ -86,7 +86,7 @@ public function testTable() {
     $style_plugin = $view->style_plugin;
     $style_plugin->options['default'] = 'id';
     $style_plugin->options['info']['id']['default_sort_order'] = 'desc';
-    $style_plugin->build_sort_post();
+    $style_plugin->buildSortPost();
     $this->assertIdentical($style_plugin->order, 'desc', 'Fallback to the right default sort order.');
     $this->assertIdentical($style_plugin->active, 'id', 'Fallback to the right default sort field.');
     $view->destroy();
diff --git a/core/modules/views/lib/Drupal/views/ViewExecutable.php b/core/modules/views/lib/Drupal/views/ViewExecutable.php
index 26bfe5d..61d24cb 100644
--- a/core/modules/views/lib/Drupal/views/ViewExecutable.php
+++ b/core/modules/views/lib/Drupal/views/ViewExecutable.php
@@ -1054,7 +1054,7 @@ public function build($display_id = NULL) {
         $this->_build('sort');
       }
       // allow the plugin to build second sorts as well.
-      $this->style_plugin->build_sort_post();
+      $this->style_plugin->buildSortPost();
     }
 
     // Allow area handlers to affect the query.