diff --git a/src/Plugin/facets/widget/LinksWidget.php b/src/Plugin/facets/widget/LinksWidget.php
index 1262a36..fe47134 100644
--- a/src/Plugin/facets/widget/LinksWidget.php
+++ b/src/Plugin/facets/widget/LinksWidget.php
@@ -107,7 +107,7 @@ class LinksWidget implements WidgetInterface {
     else {
       $link = $this->prepareLink($result, $show_numbers);
       $items = [
-        '#markup' => $link->toString(),
+        '#markup' => $link,
         '#wrapper_attributes' => [
           'class' => $classes,
         ],
diff --git a/tests/src/Unit/Plugin/widget/LinksWidgetTest.php b/tests/src/Unit/Plugin/widget/LinksWidgetTest.php
index f7491f4..d854ad6 100644
--- a/tests/src/Unit/Plugin/widget/LinksWidgetTest.php
+++ b/tests/src/Unit/Plugin/widget/LinksWidgetTest.php
@@ -66,8 +66,9 @@ class LinksWidgetTest extends UnitTestCase {
 
     $expected_links = ['Llama (10)', 'Badger (20)', 'Duck (15)', 'Alpaca (9)'];
     foreach ($expected_links as $index => $value) {
-      $this->assertInstanceOf('\Drupal\Core\Link', $output['#items'][$index]);
-      $this->assertEquals($value, $output['#items'][$index]->getText());
+      $this->assertInternalType('array', $output['#items'][$index]);
+      $this->assertInstanceOf('\Drupal\Core\Link', $output['#items'][$index]['#markup']);
+      $this->assertEquals($value, $output['#items'][$index]['#markup']->getText());
     }
   }
 
@@ -95,8 +96,9 @@ class LinksWidgetTest extends UnitTestCase {
       '(-) Alpaca (9)',
     ];
     foreach ($expected_links as $index => $value) {
-      $this->assertInstanceOf('\Drupal\Core\Link', $output['#items'][$index]);
-      $this->assertEquals($value, $output['#items'][$index]->getText());
+      $this->assertInternalType('array', $output['#items'][$index]);
+      $this->assertInstanceOf('\Drupal\Core\Link', $output['#items'][$index]['#markup']);
+      $this->assertEquals($value, $output['#items'][$index]['#markup']->getText());
     }
   }
 
@@ -118,8 +120,9 @@ class LinksWidgetTest extends UnitTestCase {
 
     $expected_links = ['Llama', '(-) Badger', 'Duck', 'Alpaca'];
     foreach ($expected_links as $index => $value) {
-      $this->assertInstanceOf('\Drupal\Core\Link', $output['#items'][$index]);
-      $this->assertEquals($value, $output['#items'][$index]->getText());
+      $this->assertInternalType('array', $output['#items'][$index]);
+      $this->assertInstanceOf('\Drupal\Core\Link', $output['#items'][$index]['#markup']);
+      $this->assertEquals($value, $output['#items'][$index]['#markup']->getText());
     }
 
     // Enable the 'show_numbers' setting again to make sure that the switch
@@ -138,8 +141,8 @@ class LinksWidgetTest extends UnitTestCase {
       'Alpaca (9)',
     ];
     foreach ($expected_links as $index => $value) {
-      $this->assertInstanceOf('\Drupal\Core\Link', $output['#items'][$index]);
-      $this->assertEquals($value, $output['#items'][$index]->getText());
+      $this->assertInstanceOf('\Drupal\Core\Link', $output['#items'][$index]['#markup']);
+      $this->assertEquals($value, $output['#items'][$index]['#markup']->getText());
     }
   }