diff --git a/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/FrameworkExtension.php b/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/FrameworkExtension.php
index 1393797711883..62277c9bbf166 100644
--- a/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/FrameworkExtension.php
+++ b/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/FrameworkExtension.php
@@ -2029,7 +2029,7 @@ private function registerLockConfiguration(array $config, ContainerBuilder $cont
             $storeDefinitions = [];
             foreach ($resourceStores as $resourceStore) {
                 $storeDsn = $container->resolveEnvPlaceholders($resourceStore, null, $usedEnvs);
-                if (!$usedEnvs && !str_contains($resourceStore, ':') && !\in_array($resourceStore, ['flock', 'semaphore', 'in-memory'], true)) {
+                if (!$usedEnvs && !str_contains($resourceStore, ':') && !\in_array($resourceStore, ['flock', 'semaphore', 'in-memory', 'null'], true)) {
                     $resourceStore = new Reference($resourceStore);
                 }
                 $storeDefinition = new Definition(PersistingStoreInterface::class);
diff --git a/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/php/lock_named.php b/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/php/lock_named.php
index cbfead83000a3..c03a7fa71aa75 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/php/lock_named.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/php/lock_named.php
@@ -14,5 +14,6 @@
         'qux' => '%env(REDIS_DSN)%',
         'corge' => 'in-memory',
         'grault' => 'mysql:host=localhost;dbname=test',
+        'garply' => 'null',
     ],
 ]);
diff --git a/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/xml/lock_named.xml b/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/xml/lock_named.xml
index 7c48fa447f59c..b8d4b4a3fe347 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/xml/lock_named.xml
+++ b/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/xml/lock_named.xml
@@ -20,6 +20,7 @@
             <framework:resource name="qux">%env(REDIS_DSN)%</framework:resource>
             <framework:resource name="corge">in-memory</framework:resource>
             <framework:resource name="grault">mysql:host=localhost;dbname=test</framework:resource>
+            <framework:resource name="garply">null</framework:resource>
         </framework:lock>
     </framework:config>
 </container>
diff --git a/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/yml/lock_named.yml b/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/yml/lock_named.yml
index 04ec9fc07f740..63157403069c1 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/yml/lock_named.yml
+++ b/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/yml/lock_named.yml
@@ -14,3 +14,4 @@ framework:
         qux: "%env(REDIS_DSN)%"
         corge: in-memory
         grault: mysql:host=localhost;dbname=test
+        garply: 'null'
diff --git a/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/FrameworkExtensionTestCase.php b/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/FrameworkExtensionTestCase.php
index 4bccbb71ff601..016ae507badc8 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/FrameworkExtensionTestCase.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/FrameworkExtensionTestCase.php
@@ -2460,6 +2460,10 @@ public function testNamedLocks()
         self::assertTrue($container->hasDefinition('lock.grault.factory'));
         $storeDef = $container->getDefinition($container->getDefinition('lock.grault.factory')->getArgument(0));
         self::assertSame('mysql:host=localhost;dbname=test', $storeDef->getArgument(0));
+
+        self::assertTrue($container->hasDefinition('lock.garply.factory'));
+        $storeDef = $container->getDefinition($container->getDefinition('lock.garply.factory')->getArgument(0));
+        self::assertSame('null', $storeDef->getArgument(0));
     }
 
     public function testLockWithService()