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 ce72436..5f993d4 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
@@ -399,7 +399,7 @@ function pre_render($result) {
    * @return array
    *   The render array containing the single view theme output.
    */
-  protected function renderSingle(array $rows = array()) {
+  protected function renderSingleGroup(array $rows = array()) {
     return array(
       '#theme' => $this->themeFunctions(),
       '#view' => $this->view,
@@ -467,7 +467,7 @@ function render_grouping_sets($sets, $level = 0) {
           }
         }
 
-        $single_output = $this->renderSingle($set['rows']);
+        $single_output = $this->renderSingleGroup($set['rows']);
         $single_output['#grouping_level'] = $level;
         $single_output['#title'] = $set['group'];
         $output[] = $single_output;