diff --git a/core/modules/field/lib/Drupal/field/Plugin/views/field/Field.php b/core/modules/field/lib/Drupal/field/Plugin/views/field/Field.php
index 19fe3e1..4303b4a 100644
--- a/core/modules/field/lib/Drupal/field/Plugin/views/field/Field.php
+++ b/core/modules/field/lib/Drupal/field/Plugin/views/field/Field.php
@@ -240,7 +240,7 @@ function click_sortable() {
   /**
    * Called to determine what to tell the clicksorter.
    */
-  function click_sort($order) {
+  function clickSort($order) {
     // No column selected, can't continue.
     if (empty($this->options['click_sort_column'])) {
       return;
diff --git a/core/modules/views/lib/Drupal/views/Plugin/views/field/FieldPluginBase.php b/core/modules/views/lib/Drupal/views/Plugin/views/field/FieldPluginBase.php
index bc8dfff..ce0008d 100644
--- a/core/modules/views/lib/Drupal/views/Plugin/views/field/FieldPluginBase.php
+++ b/core/modules/views/lib/Drupal/views/Plugin/views/field/FieldPluginBase.php
@@ -165,7 +165,7 @@ function add_additional_fields($fields = NULL) {
   /**
    * Called to determine what to tell the clicksorter.
    */
-  function click_sort($order) {
+  function clickSort($order) {
     if (isset($this->field_alias)) {
       // Since fields should always have themselves already added, just
       // add a sort on the field.
diff --git a/core/modules/views/lib/Drupal/views/Plugin/views/style/Table.php b/core/modules/views/lib/Drupal/views/Plugin/views/style/Table.php
index fa868c7..37c36a0 100644
--- a/core/modules/views/lib/Drupal/views/Plugin/views/style/Table.php
+++ b/core/modules/views/lib/Drupal/views/Plugin/views/style/Table.php
@@ -158,7 +158,7 @@ function build_sort_post() {
     $this->active = $sort;
 
     // Tell the field to click sort.
-    $this->view->field[$sort]->click_sort($this->order);
+    $this->view->field[$sort]->clickSort($this->order);
   }
 
   /**