diff --git a/src/Bundle/ChillDocGeneratorBundle/Controller/DocGeneratorTemplateController.php b/src/Bundle/ChillDocGeneratorBundle/Controller/DocGeneratorTemplateController.php
index d609995da..35ea454d2 100644
--- a/src/Bundle/ChillDocGeneratorBundle/Controller/DocGeneratorTemplateController.php
+++ b/src/Bundle/ChillDocGeneratorBundle/Controller/DocGeneratorTemplateController.php
@@ -31,12 +31,21 @@ use ChampsLibres\AsyncUploaderBundle\TempUrl\TempUrlOpenstackGenerator;
 use Jose\Component\Core\JWK;
 use Base64Url\Base64Url;
 
+use Symfony\Component\HttpKernel\HttpKernelInterface;
+
 // TODO à mettre dans services
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\Routing\Annotation\Route;
 
 class DocGeneratorTemplateController extends AbstractController
 {
+    protected $kernel;
+
+    public function __construct(HttpKernelInterface $kernel)
+    {
+        $this->kernel = $kernel;
+    }
+
     /**
      * @Route(
      *     "{_locale}/doc/gen/generate/from/{template}/for/{entityClassName}/{entityId}",
@@ -70,7 +79,7 @@ class DocGeneratorTemplateController extends AbstractController
             throw new \Exception("Error during Decrypt ", 1);
         }
 
-        $tmpfnameDeCrypted = tempnam(sys_get_temp_dir(), 'DECRYPT_DOC_TEMPLATE');
+        $tmpfnameDeCrypted = tempnam($this->kernel->getCacheDir(), 'DECRYPT_DOC_TEMPLATE'); // plus ou moins 
 
         if (!$handle = fopen($tmpfnameDeCrypted, 'a')) {
             echo "Cannot open file ($tmpfnameDeCrypted)";
@@ -105,7 +114,7 @@ class DocGeneratorTemplateController extends AbstractController
             $templateProcessor->cloneRowAndSetValues($cloneRowAndSetValues[0], $cloneRowAndSetValues[1]);
         }
 
-        $tmpfnameGenerated = tempnam(sys_get_temp_dir(), 'DOC_GENERATED');
+        $tmpfnameGenerated = tempnam($this->kernel->getCacheDir(), 'DOC_GENERATED');
         $templateProcessor->saveAs($tmpfnameGenerated);
 
         $fileContent = fopen($tmpfnameGenerated, 'rb'); // the generated file content
diff --git a/src/Bundle/ChillDocGeneratorBundle/config/services.yaml b/src/Bundle/ChillDocGeneratorBundle/config/services.yaml
index 6d87dbd25..6e66115fc 100644
--- a/src/Bundle/ChillDocGeneratorBundle/config/services.yaml
+++ b/src/Bundle/ChillDocGeneratorBundle/config/services.yaml
@@ -15,3 +15,8 @@ services:
         resource: '../Serializer/Normalizer/'
         tags:
             - { name: 'serializer.normalizer', priority: -152 }
+
+    Chill\DocGeneratorBundle\Controller\:
+        resource: "../Controller"
+        autowire: true
+        autoconfigure: true