diff --git a/src/Symfony/Component/HttpFoundation/Session/Storage/MockArraySessionStorage.php b/src/Symfony/Component/HttpFoundation/Session/Storage/MockArraySessionStorage.php
index 6f643cc0160bf..e540d229e0228 100644
--- a/src/Symfony/Component/HttpFoundation/Session/Storage/MockArraySessionStorage.php
+++ b/src/Symfony/Component/HttpFoundation/Session/Storage/MockArraySessionStorage.php
@@ -162,6 +162,7 @@ public function save()
         if (!$this->started || $this->closed) {
             throw new \RuntimeException("Trying to save a session that was not started yet or was already closed");
         }
+
         // nothing to do since we don't persist the session data
         $this->closed = false;
         $this->started = false;
diff --git a/src/Symfony/Component/HttpFoundation/Session/Storage/NativeSessionStorage.php b/src/Symfony/Component/HttpFoundation/Session/Storage/NativeSessionStorage.php
index e9d2e176dd47d..3616a33853e76 100644
--- a/src/Symfony/Component/HttpFoundation/Session/Storage/NativeSessionStorage.php
+++ b/src/Symfony/Component/HttpFoundation/Session/Storage/NativeSessionStorage.php
@@ -239,7 +239,6 @@ public function save()
         }
 
         $this->closed = true;
-        $this->started = false;
     }
 
     /**
@@ -314,7 +313,7 @@ public function getMetadataBag()
      */
     public function isStarted()
     {
-        return $this->started;
+        return $this->started && !$this->closed;
     }
 
     /**
diff --git a/src/Symfony/Component/HttpFoundation/Tests/Session/Storage/MockArraySessionStorageTest.php b/src/Symfony/Component/HttpFoundation/Tests/Session/Storage/MockArraySessionStorageTest.php
index 2a6f6bb7e8fe5..87986a3e60140 100644
--- a/src/Symfony/Component/HttpFoundation/Tests/Session/Storage/MockArraySessionStorageTest.php
+++ b/src/Symfony/Component/HttpFoundation/Tests/Session/Storage/MockArraySessionStorageTest.php
@@ -103,4 +103,21 @@ public function testUnstartedSave()
     {
         $this->storage->save();
     }
+
+    public function testClosedIsStarted()
+    {
+        $this->storage->start();
+
+        $refl = new \ReflectionProperty($this->storage, 'started');
+        $refl->setAccessible(true);
+
+        $this->assertTrue($this->storage->isStarted());
+        $this->assertTrue($refl->getValue($this->storage));
+
+        $this->storage->save();
+
+        // isStarted should return false once the storage saves the session
+        $this->assertFalse($this->storage->isStarted());
+        $this->assertFalse($refl->getValue($this->storage));
+    }
 }
diff --git a/src/Symfony/Component/HttpFoundation/Tests/Session/Storage/NativeSessionStorageTest.php b/src/Symfony/Component/HttpFoundation/Tests/Session/Storage/NativeSessionStorageTest.php
index 31dd41ab00f27..898cc41035c0d 100644
--- a/src/Symfony/Component/HttpFoundation/Tests/Session/Storage/NativeSessionStorageTest.php
+++ b/src/Symfony/Component/HttpFoundation/Tests/Session/Storage/NativeSessionStorageTest.php
@@ -249,6 +249,24 @@ public function testCanStartOutside54()
         $this->assertFalse(isset($_SESSION[$key]));
         $storage->start();
     }
+
+    public function testClosedIsStarted()
+    {
+        $storage = $this->getStorage();
+        $storage->start();
+
+        $refl = new \ReflectionProperty($storage, 'started');
+        $refl->setAccessible(true);
+
+        $this->assertTrue($storage->isStarted());
+        $this->assertTrue($refl->getValue($storage));
+
+        $storage->save();
+
+        // isStarted should return false once the storage saves the session
+        $this->assertFalse($storage->isStarted());
+        $this->assertTrue($refl->getValue($storage));
+    }
 }
 
 class SessionHandler implements \SessionHandlerInterface