diff --git a/src/Kunstmaan/AdminBundle/Helper/Security/Acl/AclHelper.php b/src/Kunstmaan/AdminBundle/Helper/Security/Acl/AclHelper.php
index c310fb6b7d..81d5e74484 100644
--- a/src/Kunstmaan/AdminBundle/Helper/Security/Acl/AclHelper.php
+++ b/src/Kunstmaan/AdminBundle/Helper/Security/Acl/AclHelper.php
@@ -14,7 +14,6 @@
 use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface;
 use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
 use Symfony\Component\Security\Core\Role\RoleHierarchyInterface;
-use Symfony\Component\Security\Core\Role\RoleInterface;
 
 /**
  * AclHelper is a helper class to help setting the permissions when querying using ORM
@@ -148,17 +147,28 @@ private function getPermittedAclIdsSQLForUser(Query $query)
         $user = null;
         if (!is_null($token)) {
             $user = $token->getUser();
-            $userRoles = $this->roleHierarchy->getReachableRoles($token->getRoles());
+            if (method_exists($this->roleHierarchy, 'getReachableRoleNames')) {
+                $userRoles = $this->roleHierarchy->getReachableRoleNames($token->getRoleNames());
+            } else {
+                // Symfony 3.4 compatibility
+                $userRoles = $this->roleHierarchy->getReachableRoles($token->getRoles());
+            }
         }
 
         // Security context does not provide anonymous role automatically.
         $uR = array('"IS_AUTHENTICATED_ANONYMOUSLY"');
 
-        /* @var $role RoleInterface */
         foreach ($userRoles as $role) {
             // The reason we ignore this is because by default FOSUserBundle adds ROLE_USER for every user
-            if ($role->getRole() !== 'ROLE_USER') {
-                $uR[] = '"' . $role->getRole() . '"';
+            if (is_string($role)) {
+                if ($role !== 'ROLE_USER') {
+                    $uR[] = '"' . $role . '"';
+                }
+            } else {
+                // Symfony 3.4 compatibility
+                if ($role->getRole() !== 'ROLE_USER') {
+                    $uR[] = '"' . $role->getRole() . '"';
+                }
             }
         }
         $uR = array_unique($uR);
diff --git a/src/Kunstmaan/AdminBundle/Helper/Security/Acl/AclNativeHelper.php b/src/Kunstmaan/AdminBundle/Helper/Security/Acl/AclNativeHelper.php
index 1a90704582..2dcc888625 100644
--- a/src/Kunstmaan/AdminBundle/Helper/Security/Acl/AclNativeHelper.php
+++ b/src/Kunstmaan/AdminBundle/Helper/Security/Acl/AclNativeHelper.php
@@ -9,7 +9,6 @@
 use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface;
 use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
 use Symfony\Component\Security\Core\Role\RoleHierarchyInterface;
-use Symfony\Component\Security\Core\Role\RoleInterface;
 
 /**
  * AclHelper is a helper class to help setting the permissions when querying using native queries
@@ -80,17 +79,28 @@ public function apply(QueryBuilder $queryBuilder, PermissionDefinition $permissi
         $userRoles = array();
         if (!is_null($token)) {
             $user = $token->getUser();
-            $userRoles = $this->roleHierarchy->getReachableRoles($token->getRoles());
+            if (method_exists($this->roleHierarchy, 'getReachableRoleNames')) {
+                $userRoles = $this->roleHierarchy->getReachableRoleNames($token->getRoleNames());
+            } else {
+                // Symfony 3.4 compatibility
+                $userRoles = $this->roleHierarchy->getReachableRoles($token->getRoles());
+            }
         }
 
         // Security context does not provide anonymous role automatically.
         $uR = array('"IS_AUTHENTICATED_ANONYMOUSLY"');
 
-        /* @var $role RoleInterface */
         foreach ($userRoles as $role) {
             // The reason we ignore this is because by default FOSUserBundle adds ROLE_USER for every user
-            if ($role->getRole() !== 'ROLE_USER') {
-                $uR[] = '"' . $role->getRole() . '"';
+            if (is_string($role)) {
+                if ($role !== 'ROLE_USER') {
+                    $uR[] = '"' . $role . '"';
+                }
+            } else {
+                // Symfony 3.4 compatibility
+                if ($role->getRole() !== 'ROLE_USER') {
+                    $uR[] = '"' . $role->getRole() . '"';
+                }
             }
         }
         $uR = array_unique($uR);
diff --git a/src/Kunstmaan/AdminBundle/Tests/unit/Helper/Security/Acl/AclHelperTest.php b/src/Kunstmaan/AdminBundle/Tests/unit/Helper/Security/Acl/AclHelperTest.php
index 85c27b103c..403316b3c5 100644
--- a/src/Kunstmaan/AdminBundle/Tests/unit/Helper/Security/Acl/AclHelperTest.php
+++ b/src/Kunstmaan/AdminBundle/Tests/unit/Helper/Security/Acl/AclHelperTest.php
@@ -17,6 +17,7 @@
 use Kunstmaan\AdminBundle\Helper\Security\Acl\Permission\MaskBuilder;
 use Kunstmaan\AdminBundle\Helper\Security\Acl\Permission\PermissionDefinition;
 use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpKernel\Kernel;
 use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface;
 use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
 use Symfony\Component\Security\Core\Role\Role;
@@ -134,8 +135,7 @@ protected function setUp()
         $this->tokenStorage = $this->getMockBuilder('Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface')
             ->getMock();
 
-        $this->token = $this->getMockBuilder('Symfony\Component\Security\Core\Authentication\Token\TokenInterface')
-            ->getMock();
+        $this->token = $this->createMock('Symfony\Component\Security\Core\Authentication\Token\AbstractToken');
 
         $this->tokenStorage->expects($this->any())
             ->method('getToken')
@@ -180,15 +180,14 @@ public function testApply()
             ->method('getUser')
             ->will($this->returnValue($user));
 
-        $roles = array(new Role('ROLE_KING'));
-        $allRoles = array($roles[0], new Role('ROLE_SUBJECT'));
+        [$rolesMethodName, $roles, $reachableRolesMethodName, $allRoles,] = $this->getRoleMockData();
 
         $this->token->expects($this->once())
-            ->method('getRoles')
+            ->method($rolesMethodName)
             ->will($this->returnValue($roles));
 
         $this->rh->expects($this->once())
-            ->method('getReachableRoles')
+            ->method($reachableRolesMethodName)
             ->with($roles)
             ->will($this->returnValue($allRoles));
 
@@ -230,16 +229,16 @@ public function testApplyAnonymous()
             ->method('getRootAliases')
             ->will($this->returnValue(array('n')));
 
-        $roles = array();
+        [$rolesMethodName, $roles, $reachableRolesMethodName, $allRoles,] = $this->getRoleMockData(true);
 
         $this->token->expects($this->once())
-            ->method('getRoles')
+            ->method($rolesMethodName)
             ->will($this->returnValue($roles));
 
         $this->rh->expects($this->once())
-            ->method('getReachableRoles')
+            ->method($reachableRolesMethodName)
             ->with($roles)
-            ->will($this->returnValue($roles));
+            ->will($this->returnValue($allRoles));
 
         $this->token->expects($this->any())
             ->method('getUser')
@@ -261,15 +260,14 @@ public function testApplyAnonymous()
 
     public function testGetAllowedEntityIds()
     {
-        $roles = array(new Role('ROLE_KING'));
-        $allRoles = array($roles[0], new Role('ROLE_SUBJECT'));
+        [$rolesMethodName, $roles, $reachableRolesMethodName, $allRoles,] = $this->getRoleMockData();
 
         $this->token->expects($this->once())
-            ->method('getRoles')
+            ->method($rolesMethodName)
             ->will($this->returnValue($roles));
 
         $this->rh->expects($this->once())
-            ->method('getReachableRoles')
+            ->method($reachableRolesMethodName)
             ->with($roles)
             ->will($this->returnValue($allRoles));
 
@@ -327,4 +325,26 @@ public function testGetTokenStorage()
     {
         $this->assertSame($this->tokenStorage, $this->object->getTokenStorage());
     }
+
+    private function getRoleMockData($anonymous = false)
+    {
+        if (Kernel::VERSION_ID >= 40300) {
+            $rolesMethodName = 'getRoleNames';
+            $reachableRolesMethodName = 'getReachableRoleNames';
+            $roles = ['ROLE_KING'];
+            $allRoles = [$roles[0], 'ROLE_SUBJECT'];
+        } else {
+            $rolesMethodName = 'getRoles';
+            $reachableRolesMethodName = 'getReachableRoles';
+            $roles = $anonymous ? [] : [new Role('ROLE_KING')];
+            $allRoles = $anonymous ? [] : [$roles[0], new Role('ROLE_SUBJECT')];
+        }
+
+        return [
+            $rolesMethodName,
+            $roles,
+            $reachableRolesMethodName,
+            $allRoles,
+        ];
+    }
 }
diff --git a/src/Kunstmaan/AdminBundle/Tests/unit/Helper/Security/Acl/AclNativeHelperTest.php b/src/Kunstmaan/AdminBundle/Tests/unit/Helper/Security/Acl/AclNativeHelperTest.php
index 88cc3bd544..87bc7e020e 100644
--- a/src/Kunstmaan/AdminBundle/Tests/unit/Helper/Security/Acl/AclNativeHelperTest.php
+++ b/src/Kunstmaan/AdminBundle/Tests/unit/Helper/Security/Acl/AclNativeHelperTest.php
@@ -11,6 +11,7 @@
 use Kunstmaan\AdminBundle\Helper\Security\Acl\AclNativeHelper;
 use Kunstmaan\AdminBundle\Helper\Security\Acl\Permission\PermissionDefinition;
 use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpKernel\Kernel;
 use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface;
 use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
 use Symfony\Component\Security\Core\Role\Role;
@@ -95,7 +96,7 @@ protected function setUp()
         $this->tokenStorage = $this->getMockBuilder('Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface')
             ->getMock();
 
-        $this->token = $this->getMockBuilder('Symfony\Component\Security\Core\Authentication\Token\TokenInterface')
+        $this->token = $this->getMockBuilder('Symfony\Component\Security\Core\Authentication\Token\AbstractToken')
             ->getMock();
 
         $this->tokenStorage->expects($this->any())
@@ -122,15 +123,14 @@ public function testApply()
             )
         );
 
-        $roles = array(new Role('ROLE_KING'));
-        $allRoles = array($roles[0], new Role('ROLE_SUBJECT'));
+        [$rolesMethodName, $roles, $reachableRolesMethodName, $allRoles,] = $this->getRoleMockData();
 
         $this->token->expects($this->once())
-            ->method('getRoles')
+            ->method($rolesMethodName)
             ->will($this->returnValue($roles));
 
         $this->rh->expects($this->once())
-            ->method('getReachableRoles')
+            ->method($reachableRolesMethodName)
             ->with($roles)
             ->will($this->returnValue($allRoles));
 
@@ -170,16 +170,16 @@ public function testApplyAnonymous()
             )
         );
 
-        $roles = array();
+        [$rolesMethodName, $roles, $reachableRolesMethodName, $allRoles,] = $this->getRoleMockData(true);
 
         $this->token->expects($this->once())
-            ->method('getRoles')
+            ->method($rolesMethodName)
             ->will($this->returnValue($roles));
 
         $this->rh->expects($this->once())
-            ->method('getReachableRoles')
+            ->method($reachableRolesMethodName)
             ->with($roles)
-            ->will($this->returnValue($roles));
+            ->will($this->returnValue($allRoles));
 
         $this->token->expects($this->any())
             ->method('getUser')
@@ -198,4 +198,26 @@ public function testGetTokenStorage()
     {
         $this->assertSame($this->tokenStorage, $this->object->getTokenStorage());
     }
+
+    private function getRoleMockData($anonymous = false)
+    {
+        if (Kernel::VERSION_ID >= 40300) {
+            $rolesMethodName = 'getRoleNames';
+            $reachableRolesMethodName = 'getReachableRoleNames';
+            $roles = ['ROLE_KING'];
+            $allRoles = [$roles[0], 'ROLE_SUBJECT'];
+        } else {
+            $rolesMethodName = 'getRoles';
+            $reachableRolesMethodName = 'getReachableRoles';
+            $roles = $anonymous ? [] : [new Role('ROLE_KING')];
+            $allRoles = $anonymous ? [] : [$roles[0], new Role('ROLE_SUBJECT')];
+        }
+
+        return [
+            $rolesMethodName,
+            $roles,
+            $reachableRolesMethodName,
+            $allRoles,
+        ];
+    }
 }