diff --git a/core/modules/views/lib/Drupal/views/Plugin/views/filter/FilterPluginBase.php b/core/modules/views/lib/Drupal/views/Plugin/views/filter/FilterPluginBase.php
index e0dd2d5..92cb4ba 100644
--- a/core/modules/views/lib/Drupal/views/Plugin/views/filter/FilterPluginBase.php
+++ b/core/modules/views/lib/Drupal/views/Plugin/views/filter/FilterPluginBase.php
@@ -1213,7 +1213,7 @@ public function exposedInfo() {
    * checkboxes widget, and this function will be called for each item
    * choosed in the checkboxes.
    */
-  function convert_exposed_input(&$input, $selected_group_id = NULL) {
+  function convertExposedInput(&$input, $selected_group_id = NULL) {
     if ($this->isAGroup()) {
       // If it is already defined the selected group, use it. Only valid
       // when the filter uses checkboxes for widget.
diff --git a/core/modules/views/lib/Drupal/views/ViewExecutable.php b/core/modules/views/lib/Drupal/views/ViewExecutable.php
index a8a8dd2..a4e5937 100644
--- a/core/modules/views/lib/Drupal/views/ViewExecutable.php
+++ b/core/modules/views/lib/Drupal/views/ViewExecutable.php
@@ -1144,7 +1144,7 @@ public function _build($key) {
           if (!empty($this->exposed_data)) {
             $converted = FALSE;
             if ($handlers[$id]->isAGroup()) {
-              $converted = $handlers[$id]->convert_exposed_input($this->exposed_data, $group_id);
+              $converted = $handlers[$id]->convertExposedInput($this->exposed_data, $group_id);
               $handlers[$id]->store_group_input($this->exposed_data, $converted);
               if (!$converted) {
                 continue;