diff --git a/core/modules/entity_reference/src/ConfigurableEntityReferenceItem.php b/core/modules/entity_reference/src/ConfigurableEntityReferenceItem.php
index f9b0698..50a8ace 100644
--- a/core/modules/entity_reference/src/ConfigurableEntityReferenceItem.php
+++ b/core/modules/entity_reference/src/ConfigurableEntityReferenceItem.php
@@ -156,12 +156,11 @@ public function fieldSettingsForm(array $form, FormStateInterface $form_state) {
       // We only display base plugins (e.g. 'default', 'views', ...) and not
       // entity type specific plugins (e.g. 'default:node', 'default:user',
       // ...).
-      $selection_group_plugin = $selection_group_id . ':' . $this->getSetting('target_type');
       if (array_key_exists($selection_group_id, $selection_plugins[$selection_group_id])) {
-        $handlers_options[$selection_group_plugin] = String::checkPlain($selection_plugins[$selection_group_id][$selection_group_id]['label']);
+        $handlers_options[$selection_group_id] = String::checkPlain($selection_plugins[$selection_group_id][$selection_group_id]['label']);
       }
-      elseif (array_key_exists($selection_group_plugin, $selection_plugins[$selection_group_id])) {
-
+      elseif (array_key_exists($selection_group_id . ':' . $this->getSetting('target_type'), $selection_plugins[$selection_group_id])) {
+        $selection_group_plugin = $selection_group_id . ':' . $this->getSetting('target_type');
         $handlers_options[$selection_group_plugin] = String::checkPlain($selection_plugins[$selection_group_id][$selection_group_plugin]['base_plugin_label']);
       }
     }