diff --git a/src/Symfony/Component/Cache/Adapter/DoctrineAdapter.php b/src/Symfony/Component/Cache/Adapter/DoctrineAdapter.php
index 26dd8e3a86..855ae29050 100644
--- a/src/Symfony/Component/Cache/Adapter/DoctrineAdapter.php
+++ b/src/Symfony/Component/Cache/Adapter/DoctrineAdapter.php
@@ -20,7 +20,7 @@ class DoctrineAdapter extends AbstractAdapter
 {
     private $provider;
 
-    public function __construct(CacheProvider $provider, $defaultLifetime = 0, $namespace = '')
+    public function __construct(CacheProvider $provider, $namespace = '', $defaultLifetime = 0)
     {
         parent::__construct('', $defaultLifetime);
         $this->provider = $provider;
diff --git a/src/Symfony/Component/Cache/Adapter/FilesystemAdapter.php b/src/Symfony/Component/Cache/Adapter/FilesystemAdapter.php
index 22708584d8..1fac6c3f65 100644
--- a/src/Symfony/Component/Cache/Adapter/FilesystemAdapter.php
+++ b/src/Symfony/Component/Cache/Adapter/FilesystemAdapter.php
@@ -20,7 +20,7 @@ class FilesystemAdapter extends AbstractAdapter
 {
     private $directory;
 
-    public function __construct($directory, $defaultLifetime = 0, $namespace = '')
+    public function __construct($namespace = '', $defaultLifetime = 0, $directory = null)
     {
         parent::__construct('', $defaultLifetime);
 
diff --git a/src/Symfony/Component/Cache/Adapter/ProxyAdapter.php b/src/Symfony/Component/Cache/Adapter/ProxyAdapter.php
index 83c3f1baea..e8befafac9 100644
--- a/src/Symfony/Component/Cache/Adapter/ProxyAdapter.php
+++ b/src/Symfony/Component/Cache/Adapter/ProxyAdapter.php
@@ -28,7 +28,7 @@ class ProxyAdapter implements AdapterInterface
     private $hits = 0;
     private $misses = 0;
 
-    public function __construct(CacheItemPoolInterface $pool, $defaultLifetime = 0, $namespace = '')
+    public function __construct(CacheItemPoolInterface $pool, $namespace = '', $defaultLifetime = 0)
     {
         $this->pool = $pool;
         $this->namespace = $this->getId($namespace, true);
diff --git a/src/Symfony/Component/Cache/Tests/Adapter/ChainAdapterTest.php b/src/Symfony/Component/Cache/Tests/Adapter/ChainAdapterTest.php
index 230a4500f8..64fb83ce45 100644
--- a/src/Symfony/Component/Cache/Tests/Adapter/ChainAdapterTest.php
+++ b/src/Symfony/Component/Cache/Tests/Adapter/ChainAdapterTest.php
@@ -28,7 +28,7 @@ class ChainAdapterTest extends CachePoolTest
             $this->skippedTests['testDeferredSaveWithoutCommit'] = 'Fails on HHVM';
         }
 
-        return new ChainAdapter(array(new ArrayAdapter(), new ExternalAdapter(), new FilesystemAdapter(null)));
+        return new ChainAdapter(array(new ArrayAdapter(), new ExternalAdapter(), new FilesystemAdapter()));
     }
 
     /**
diff --git a/src/Symfony/Component/Cache/Tests/Adapter/NamespacedProxyAdapterTest.php b/src/Symfony/Component/Cache/Tests/Adapter/NamespacedProxyAdapterTest.php
index 28898e780e..9b82d91a1a 100644
--- a/src/Symfony/Component/Cache/Tests/Adapter/NamespacedProxyAdapterTest.php
+++ b/src/Symfony/Component/Cache/Tests/Adapter/NamespacedProxyAdapterTest.php
@@ -21,6 +21,6 @@ class NamespacedProxyAdapterTest extends ProxyAdapterTest
 {
     public function createCachePool()
     {
-        return new ProxyAdapter(new ArrayAdapter(), 0, 'foo');
+        return new ProxyAdapter(new ArrayAdapter(), 'foo');
     }
 }