diff --git a/lib/Nekland/BaseApi/Cache/Provider/FileProvider.php b/lib/Nekland/BaseApi/Cache/Provider/FileProvider.php
index 77d008f..7031a1e 100644
--- a/lib/Nekland/BaseApi/Cache/Provider/FileProvider.php
+++ b/lib/Nekland/BaseApi/Cache/Provider/FileProvider.php
@@ -27,6 +27,7 @@ class FileProvider implements CacheProviderInterface
     public function setOptions(array $options)
     {
         $this->options = array_merge($this->getOptions(), $options);
+
         return $this;
     }
 
@@ -57,9 +58,13 @@ public function get($key)
     public function set($key, $value)
     {
         $this->cache[$key] = $value;
+
         return $this;
     }
 
+    /**
+     * @return string
+     */
     protected function getPath()
     {
         return $this->options['path'];
@@ -74,6 +79,8 @@ protected function getOptions()
 
     public function __destruct()
     {
-        $this->save();
+        if (null !== $this->getPath()) {
+            $this->save();
+        }
     }
 }
diff --git a/spec/Nekland/BaseApi/Http/ClientAdapter/GuzzleAdapterSpec.php b/spec/Nekland/BaseApi/Http/ClientAdapter/GuzzleAdapterSpec.php
index 56961f4..1a6b558 100644
--- a/spec/Nekland/BaseApi/Http/ClientAdapter/GuzzleAdapterSpec.php
+++ b/spec/Nekland/BaseApi/Http/ClientAdapter/GuzzleAdapterSpec.php
@@ -4,6 +4,7 @@
 
 use GuzzleHttp\Client;
 use GuzzleHttp\Message\MessageInterface;
+use GuzzleHttp\Message\ResponseInterface;
 use Nekland\BaseApi\Http\Event\RequestEvent;
 use Nekland\BaseApi\Http\Request;
 use PhpSpec\ObjectBehavior;
@@ -47,10 +48,12 @@ public function it_should_send_real_request_when_event_request_not_completed(
         EventDispatcher  $dispatcher,
         Request          $request,
         RequestEvent     $requestEvent,
-        MessageInterface $result
+        ResponseInterface $result
     ) {
         $guzzle->get('api.com', Argument::any())->shouldBeCalled();
         $guzzle->get('api.com', Argument::any())->willReturn($result);
+        $result->getHeaders()->willReturn([]);
+        $result->getBody()->willReturn('');
 
         $requestEvent->requestCompleted()->willReturn(false);
         $dispatcher
diff --git a/spec/fixture/cache_file b/spec/fixture/cache_file
index 2173310..f3dd466 100644
--- a/spec/fixture/cache_file
+++ b/spec/fixture/cache_file
@@ -1 +1 @@
-a:1:{s:9:"something";a:2:{i:0;s:3:"foz";i:1;s:3:"baz";}}
+a:1:{s:9:"something";a:2:{i:0;s:3:"foz";i:1;s:3:"baz";}}
\ No newline at end of file