diff --git a/core/modules/rest/src/Plugin/views/display/RestExport.php b/core/modules/rest/src/Plugin/views/display/RestExport.php
index fd36a59eca..b251a440d1 100644
--- a/core/modules/rest/src/Plugin/views/display/RestExport.php
+++ b/core/modules/rest/src/Plugin/views/display/RestExport.php
@@ -70,7 +70,7 @@ class RestExport extends PathPluginBase implements ResponseDisplayPluginInterfac
    *
    * @var string
    */
-  protected $mimeType;
+  protected $mimeType = 'application/json';
 
   /**
    * The renderer.
@@ -140,8 +140,11 @@ public function initDisplay(ViewExecutable $view, array &$display, array &$optio
     parent::initDisplay($view, $display, $options);
 
     $request_content_type = $this->view->getRequest()->getRequestFormat();
-    $this->setContentType($request_content_type);
-    $this->setMimeType($this->view->getRequest()->getMimeType($request_content_type));
+
+    if ($request_content_type !== 'html') {
+      $this->setContentType($request_content_type);
+      $this->setMimeType($this->view->getRequest()->getMimeType($request_content_type));
+    }
   }
 
   /**
diff --git a/core/modules/rest/src/Tests/Views/StyleSerializerTest.php b/core/modules/rest/src/Tests/Views/StyleSerializerTest.php
index 4c004fcafc..a0a8dadb06 100644
--- a/core/modules/rest/src/Tests/Views/StyleSerializerTest.php
+++ b/core/modules/rest/src/Tests/Views/StyleSerializerTest.php
@@ -89,6 +89,9 @@ public function testRestViewsAuthentication() {
     $url = $this->buildUrl('test/serialize/auth_with_perm');
     $response = \Drupal::httpClient()->get($url, [
       'auth' => [$this->adminUser->getUsername(), $this->adminUser->pass_raw],
+      'query' => [
+        '_format' => 'json',
+      ],
     ]);
 
     // Ensure that any changes to variables in the other thread are picked up.
@@ -364,14 +367,14 @@ public function testResponseFormatConfiguration() {
 
     // Should return a 200.
     // @todo This should be fixed when we have better content negotiation.
-    $this->drupalGet('test/serialize/field');
+    $this->drupalGetWithFormat('test/serialize/field', 'json');
     $this->assertHeader('content-type', 'application/json');
     $this->assertResponse(200, 'A 200 response was returned when any format was requested.');
 
     // Should return a 200. Emulates a sample Firefox header.
     $this->drupalGet('test/serialize/field', array(), array('Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8'));
     $this->assertHeader('content-type', 'application/json');
-    $this->assertResponse(200, 'A 200 response was returned when a browser accept header was requested.');
+    $this->assertResponse(406, 'A 200 response was returned when a browser accept header was requested.');
 
     // Should return a 200.
     $this->drupalGetWithFormat('test/serialize/field', 'json');
@@ -392,7 +395,7 @@ public function testResponseFormatConfiguration() {
     $this->assertHeader('content-type', 'application/json');
     $this->assertResponse(200, 'A 200 response was returned when HTML was requested.');
 
-    // Now configure now format, so all of them should be allowed.
+    // Now configure no format, so all of them should be allowed.
     $this->drupalPostForm($style_options, array('style_options[formats][json]' => '0', 'style_options[formats][xml]' => '0'), t('Apply'));
 
     // Should return a 200.
@@ -606,7 +609,7 @@ public function testSerializerViewsUI() {
     $this->assertResponse(200);
     // Check if we receive the expected result.
     $result = $this->xpath('//div[@id="views-live-preview"]/pre');
-    $this->assertIdentical($this->drupalGet('test/serialize/field'), (string) $result[0], 'The expected JSON preview output was found.');
+    $this->assertIdentical($this->drupalGetJSON('test/serialize/field'), (string) $result[0], 'The expected JSON preview output was found.');
   }
 
   /**
diff --git a/core/modules/views_ui/src/ViewListBuilder.php b/core/modules/views_ui/src/ViewListBuilder.php
index b38a15f75b..cc0bb53264 100644
--- a/core/modules/views_ui/src/ViewListBuilder.php
+++ b/core/modules/views_ui/src/ViewListBuilder.php
@@ -9,6 +9,7 @@
 use Drupal\Core\Entity\EntityTypeInterface;
 use Drupal\Core\Url;
 use Symfony\Component\DependencyInjection\ContainerInterface;
+use Symfony\Component\HttpKernel\Exception\NotAcceptableHttpException;
 
 /**
  * Defines a class to build a listing of view entities.
@@ -255,9 +256,17 @@ protected function getDisplaysList(EntityInterface $view) {
         if ($display->hasPath()) {
           $path = $display->getPath();
           if ($view->status() && strpos($path, '%') === FALSE) {
-            // @todo Views should expect and store a leading /. See:
-            //   https://www.drupal.org/node/2423913
-            $rendered_path = \Drupal::l('/' . $path, Url::fromUserInput('/' . $path));
+            // Wrap this in a try/catch as tryng to generate links to some
+            // routes may throw a NotAcceptableHttpException if they do not
+            // respond to HTML, such as RESTExports.
+            try {
+              // @todo Views should expect and store a leading /. See:
+              //   https://www.drupal.org/node/2423913
+              $rendered_path = \Drupal::l('/' . $path, Url::fromUserInput('/' . $path));
+            }
+            catch (NotAcceptableHttpException $e) {
+              $rendered_path = '/' . $path;
+            }
           }
           else {
             $rendered_path = '/' . $path;