diff --git a/src/Symfony/Component/Config/Resource/GlobResource.php b/src/Symfony/Component/Config/Resource/GlobResource.php
index 041b663f3e..f825a92911 100644
--- a/src/Symfony/Component/Config/Resource/GlobResource.php
+++ b/src/Symfony/Component/Config/Resource/GlobResource.php
@@ -94,6 +94,14 @@ class GlobResource implements \IteratorAggregate, SelfCheckingResourceInterface
         return ['prefix', 'pattern', 'recursive', 'hash', 'forExclusion', 'excludedPrefixes'];
     }
 
+    /**
+     * @internal
+     */
+    public function __wakeup(): void
+    {
+        $this->globBrace = \defined('GLOB_BRACE') ? \GLOB_BRACE : 0;
+    }
+
     /**
      * @return \Traversable
      */
diff --git a/src/Symfony/Component/Config/Tests/Resource/GlobResourceTest.php b/src/Symfony/Component/Config/Tests/Resource/GlobResourceTest.php
index 2b6609d740..a30fbe8c43 100644
--- a/src/Symfony/Component/Config/Tests/Resource/GlobResourceTest.php
+++ b/src/Symfony/Component/Config/Tests/Resource/GlobResourceTest.php
@@ -194,4 +194,17 @@ class GlobResourceTest extends TestCase
 
         $this->assertSame([], array_keys(iterator_to_array($resource)));
     }
+
+    public function testSerializeUnserialize()
+    {
+        $dir = \dirname(__DIR__).\DIRECTORY_SEPARATOR.'Fixtures';
+        $resource = new GlobResource($dir, '/Resource', true);
+
+        $newResource = unserialize(serialize($resource));
+
+        $p = new \ReflectionProperty($resource, 'globBrace');
+        $p->setAccessible(true);
+
+        $this->assertEquals($p->getValue($resource), $p->getValue($newResource));
+    }
 }