diff --git a/core/modules/views/src/Plugin/views/filter/Combine.php b/core/modules/views/src/Plugin/views/filter/Combine.php
index e54c909..b07aecd 100644
--- a/core/modules/views/src/Plugin/views/filter/Combine.php
+++ b/core/modules/views/src/Plugin/views/filter/Combine.php
@@ -38,7 +38,11 @@ public function buildOptionsForm(&$form, FormStateInterface $form_state) {
     if ($this->view->style_plugin->usesFields()) {
       $options = array();
       foreach ($this->view->display_handler->getHandlers('field') as $name => $field) {
-        $options[$name] = $field->adminLabel(TRUE);
+        // Only allow clickSortable fields. Fields without clickSorting will
+        // probably break in the Combine filter.
+        if ($field->clickSortable()) {
+          $options[$name] = $field->adminLabel(TRUE);
+        }
       }
       if ($options) {
         $form['fields'] = array(