diff --git a/core/modules/node/lib/Drupal/node/Access/NodeRevisionAccessCheck.php b/core/modules/node/lib/Drupal/node/Access/NodeRevisionAccessCheck.php
index 02ab949..822b404 100644
--- a/core/modules/node/lib/Drupal/node/Access/NodeRevisionAccessCheck.php
+++ b/core/modules/node/lib/Drupal/node/Access/NodeRevisionAccessCheck.php
@@ -137,6 +137,7 @@ public function checkAccess(NodeInterface $node, AccountInterface $account, $op
       // Perform basic permission checks first.
       if (!user_access($map[$op], $account) && !user_access($type_map[$op], $account) && !user_access('administer nodes', $account)) {
         $this->access[$cid] = FALSE;
+        return FALSE;
       }
 
       // There should be at least two revisions. If the vid of the given node
diff --git a/core/tests/Drupal/Tests/Core/Access/CustomAccessCheckTest.php b/core/tests/Drupal/Tests/Core/Access/CustomAccessCheckTest.php
index 7a5676b..8144c23 100644
--- a/core/tests/Drupal/Tests/Core/Access/CustomAccessCheckTest.php
+++ b/core/tests/Drupal/Tests/Core/Access/CustomAccessCheckTest.php
@@ -95,13 +95,13 @@ public function testAccess() {
 
     $route = new Route('/test-route', array(), array('_custom_access' => '\Drupal\Tests\Core\Access\TestController::accessDeny'));
     $account = $this->getMock('Drupal\Core\Session\AccountInterface');
-    $this->assertNull($this->accessChecker->access($route, $request, $account));
+    $this->assertSame(AccessInterface::DENY, $this->accessChecker->access($route, $request, $account));
 
     $route = new Route('/test-route', array(), array('_custom_access' => '\Drupal\Tests\Core\Access\TestController::accessAllow'));
-    $this->assertTrue($this->accessChecker->access($route, $request, $account));
+    $this->assertSame(AccessInterface::ALLOW, $this->accessChecker->access($route, $request, $account));
 
     $route = new Route('/test-route', array('parameter' => 'TRUE'), array('_custom_access' => '\Drupal\Tests\Core\Access\TestController::accessParameter'));
-    $this->assertTrue($this->accessChecker->access($route, $request, $account));
+    $this->assertSame(AccessInterface::ALLOW, $this->accessChecker->access($route, $request, $account));
   }
 
 }
diff --git a/core/tests/Drupal/Tests/Core/Access/DefaultAccessCheckTest.php b/core/tests/Drupal/Tests/Core/Access/DefaultAccessCheckTest.php
index 89c845a..a2fce18 100644
--- a/core/tests/Drupal/Tests/Core/Access/DefaultAccessCheckTest.php
+++ b/core/tests/Drupal/Tests/Core/Access/DefaultAccessCheckTest.php
@@ -7,6 +7,7 @@
 
 namespace Drupal\Tests\Core\Access;
 
+use Drupal\Core\Access\AccessInterface;
 use Drupal\Core\Access\DefaultAccessCheck;
 use Drupal\Tests\UnitTestCase;
 use Symfony\Component\HttpFoundation\Request;
@@ -66,13 +67,13 @@ public function testAccess() {
     $request = new Request(array());
 
     $route = new Route('/test-route', array(), array('_access' => 'NULL'));
-    $this->assertNull($this->accessChecker->access($route, $request, $this->account));
+    $this->assertSame(AccessInterface::DENY, $this->accessChecker->access($route, $request, $this->account));
 
     $route = new Route('/test-route', array(), array('_access' => 'FALSE'));
-    $this->assertFalse($this->accessChecker->access($route, $request, $this->account));
+    $this->assertSame(AccessInterface::KILL, $this->accessChecker->access($route, $request, $this->account));
 
     $route = new Route('/test-route', array(), array('_access' => 'TRUE'));
-    $this->assertTrue($this->accessChecker->access($route, $request, $this->account));
+    $this->assertSame(AccessInterface::ALLOW, $this->accessChecker->access($route, $request, $this->account));
   }
 
 }