diff --git a/src/Symfony/Component/DependencyInjection/Loader/FileLoader.php b/src/Symfony/Component/DependencyInjection/Loader/FileLoader.php
index 77cad3c046d7..0a800f01c3f7 100644
--- a/src/Symfony/Component/DependencyInjection/Loader/FileLoader.php
+++ b/src/Symfony/Component/DependencyInjection/Loader/FileLoader.php
@@ -110,7 +110,7 @@ private function findClasses($namespace, $pattern, $excludePattern)
         $excludePrefix = null;
         if ($excludePattern) {
             $excludePattern = $parameterBag->unescapeValue($parameterBag->resolveValue($excludePattern));
-            foreach ($this->glob($excludePattern, true, $resource) as $path => $info) {
+            foreach ($this->glob($excludePattern, true, $resource, true) as $path => $info) {
                 if (null === $excludePrefix) {
                     $excludePrefix = $resource->getPrefix();
                 }
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Loader/FileLoaderTest.php b/src/Symfony/Component/DependencyInjection/Tests/Loader/FileLoaderTest.php
index ffe58a67ef3b..cbcc6995170c 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Loader/FileLoaderTest.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Loader/FileLoaderTest.php
@@ -134,6 +134,13 @@ public function testRegisterClassesWithExclude()
             ],
             array_keys($container->getAliases())
         );
+
+        $loader->registerClasses(
+            new Definition(),
+            'Symfony\Component\DependencyInjection\Tests\Fixtures\Prototype\\',
+            'Prototype/*',
+            'Prototype/NotExistingDir'
+        );
     }
 
     public function testNestedRegisterClasses()